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Finding the Fourth Proportional to 107,841,430.30, 161,762,145.45 and 107,841,430.30

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Solution

The fourth proportional to 107,841,430.30, 161,762,145.45 and 107,841,430.30 is: 161,762,145.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,841,430.30 : 161,762,145.45 = 107,841,430.30 : x
  2. Step 2: Convert to fraction form
    107,841,430.30/161,762,145.45 = 107,841,430.30/x
  3. Step 3: Cross multiply
    107,841,430.30x = 161,762,145.45 × 107,841,430.30
  4. Step 4: Simplify right side
    107,841,430.30x = 17,444,661,133,724,636
  5. Step 5: Solve for x
    x = 17,444,661,133,724,636/107,841,430.30
  6. Step 6: Final answer
    x = 161,762,145.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.