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Finding the Fourth Proportional to 96,773,762.60, 145,160,643.90 and 55,959,093.80

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Solution

The fourth proportional to 96,773,762.60, 145,160,643.90 and 55,959,093.80 is: 83,938,640.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,773,762.60 : 145,160,643.90 = 55,959,093.80 : x
  2. Step 2: Convert to fraction form
    96,773,762.60/145,160,643.90 = 55,959,093.80/x
  3. Step 3: Cross multiply
    96,773,762.60x = 145,160,643.90 × 55,959,093.80
  4. Step 4: Simplify right side
    96,773,762.60x = 8,123,058,088,068,498
  5. Step 5: Solve for x
    x = 8,123,058,088,068,498/96,773,762.60
  6. Step 6: Final answer
    x = 83,938,640.70

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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.