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Finding the Fourth Proportional to 88,574,385.60, 132,861,578.40 and 49,672,904.40

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Solution

The fourth proportional to 88,574,385.60, 132,861,578.40 and 49,672,904.40 is: 74,509,356.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,574,385.60 : 132,861,578.40 = 49,672,904.40 : x
  2. Step 2: Convert to fraction form
    88,574,385.60/132,861,578.40 = 49,672,904.40/x
  3. Step 3: Cross multiply
    88,574,385.60x = 132,861,578.40 × 49,672,904.40
  4. Step 4: Simplify right side
    88,574,385.60x = 6,599,620,482,296,305
  5. Step 5: Solve for x
    x = 6,599,620,482,296,305/88,574,385.60
  6. Step 6: Final answer
    x = 74,509,356.60

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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.