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Finding the Fourth Proportional to 75,303,428.03, 112,955,142.13 and 75,303,428.03

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Solution

The fourth proportional to 75,303,428.03, 112,955,142.13 and 75,303,428.03 is: 112,955,142.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,303,428.03 : 112,955,142.13 = 75,303,428.03 : x
  2. Step 2: Convert to fraction form
    75,303,428.03/112,955,142.13 = 75,303,428.03/x
  3. Step 3: Cross multiply
    75,303,428.03x = 112,955,142.13 × 75,303,428.03
  4. Step 4: Simplify right side
    75,303,428.03x = 8,505,909,415,251,842
  5. Step 5: Solve for x
    x = 8,505,909,415,251,842/75,303,428.03
  6. Step 6: Final answer
    x = 112,955,142.13

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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.