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Finding the Fourth Proportional to 101,952,734.80, 152,677,159.80 and 67,688,568.40

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Solution

The fourth proportional to 101,952,734.80, 152,677,159.80 and 67,688,568.40 is: 101,365,582.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,952,734.80 : 152,677,159.80 = 67,688,568.40 : x
  2. Step 2: Convert to fraction form
    101,952,734.80/152,677,159.80 = 67,688,568.40/x
  3. Step 3: Cross multiply
    101,952,734.80x = 152,677,159.80 × 67,688,568.40
  4. Step 4: Simplify right side
    101,952,734.80x = 10,334,498,374,240,032
  5. Step 5: Solve for x
    x = 10,334,498,374,240,032/101,952,734.80
  6. Step 6: Final answer
    x = 101,365,582.73

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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.