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Finding the Fourth Proportional to 88,977,801.60, 133,466,702.40 and 79,403,990.40

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Solution

The fourth proportional to 88,977,801.60, 133,466,702.40 and 79,403,990.40 is: 119,105,985.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,977,801.60 : 133,466,702.40 = 79,403,990.40 : x
  2. Step 2: Convert to fraction form
    88,977,801.60/133,466,702.40 = 79,403,990.40/x
  3. Step 3: Cross multiply
    88,977,801.60x = 133,466,702.40 × 79,403,990.40
  4. Step 4: Simplify right side
    88,977,801.60x = 10,597,788,756,089,258
  5. Step 5: Solve for x
    x = 10,597,788,756,089,258/88,977,801.60
  6. Step 6: Final answer
    x = 119,105,985.60

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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.