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Finding the Fourth Proportional to 88,572,057.60, 132,879,081.60 and 45,447,916.80

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Solution

The fourth proportional to 88,572,057.60, 132,879,081.60 and 45,447,916.80 is: 68,182,648.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,572,057.60 : 132,879,081.60 = 45,447,916.80 : x
  2. Step 2: Convert to fraction form
    88,572,057.60/132,879,081.60 = 45,447,916.80/x
  3. Step 3: Cross multiply
    88,572,057.60x = 132,879,081.60 × 45,447,916.80
  4. Step 4: Simplify right side
    88,572,057.60x = 6,039,077,445,017,210
  5. Step 5: Solve for x
    x = 6,039,077,445,017,210/88,572,057.60
  6. Step 6: Final answer
    x = 68,182,648.21

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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.