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Finding the Fourth Proportional to 287,357,748, 431,040,354.48 and 95,881,524

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Solution

The fourth proportional to 287,357,748, 431,040,354.48 and 95,881,524 is: 143,823,531.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,357,748 : 431,040,354.48 = 95,881,524 : x
  2. Step 2: Convert to fraction form
    287,357,748/431,040,354.48 = 95,881,524/x
  3. Step 3: Cross multiply
    287,357,748x = 431,040,354.48 × 95,881,524
  4. Step 4: Simplify right side
    287,357,748x = 41,328,806,093,042,632
  5. Step 5: Solve for x
    x = 41,328,806,093,042,632/287,357,748
  6. Step 6: Final answer
    x = 143,823,531.40

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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.