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Finding the Fourth Proportional to 83,065,551.60, 124,598,327.40 and 49,053,327.60

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Solution

The fourth proportional to 83,065,551.60, 124,598,327.40 and 49,053,327.60 is: 73,579,991.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,065,551.60 : 124,598,327.40 = 49,053,327.60 : x
  2. Step 2: Convert to fraction form
    83,065,551.60/124,598,327.40 = 49,053,327.60/x
  3. Step 3: Cross multiply
    83,065,551.60x = 124,598,327.40 × 49,053,327.60
  4. Step 4: Simplify right side
    83,065,551.60x = 6,111,962,572,364,257
  5. Step 5: Solve for x
    x = 6,111,962,572,364,257/83,065,551.60
  6. Step 6: Final answer
    x = 73,579,991.40

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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.