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Finding the Fourth Proportional to 101,966,345.72, 152,801,152.34 and 63,021,649.40

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Solution

The fourth proportional to 101,966,345.72, 152,801,152.34 and 63,021,649.40 is: 94,440,774.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,966,345.72 : 152,801,152.34 = 63,021,649.40 : x
  2. Step 2: Convert to fraction form
    101,966,345.72/152,801,152.34 = 63,021,649.40/x
  3. Step 3: Cross multiply
    101,966,345.72x = 152,801,152.34 × 63,021,649.40
  4. Step 4: Simplify right side
    101,966,345.72x = 9,629,780,650,687,470
  5. Step 5: Solve for x
    x = 9,629,780,650,687,470/101,966,345.72
  6. Step 6: Final answer
    x = 94,440,774.38

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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.