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Finding the Fourth Proportional to 59,292,073.80, 88,938,110.70 and 42,073,385.40

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Solution

The fourth proportional to 59,292,073.80, 88,938,110.70 and 42,073,385.40 is: 63,110,078.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,292,073.80 : 88,938,110.70 = 42,073,385.40 : x
  2. Step 2: Convert to fraction form
    59,292,073.80/88,938,110.70 = 42,073,385.40/x
  3. Step 3: Cross multiply
    59,292,073.80x = 88,938,110.70 × 42,073,385.40
  4. Step 4: Simplify right side
    59,292,073.80x = 3,741,927,408,228,964
  5. Step 5: Solve for x
    x = 3,741,927,408,228,964/59,292,073.80
  6. Step 6: Final answer
    x = 63,110,078.10

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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.