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Finding the Fourth Proportional to 107,250.90, 160,890.02 and 40,710.06

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Solution

The fourth proportional to 107,250.90, 160,890.02 and 40,710.06 is: 61,070.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,250.90 : 160,890.02 = 40,710.06 : x
  2. Step 2: Convert to fraction form
    107,250.90/160,890.02 = 40,710.06/x
  3. Step 3: Cross multiply
    107,250.90x = 160,890.02 × 40,710.06
  4. Step 4: Simplify right side
    107,250.90x = 6,549,842,164.05
  5. Step 5: Solve for x
    x = 6,549,842,164.05/107,250.90
  6. Step 6: Final answer
    x = 61,070.28

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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.