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Finding the Fourth Proportional to 88,573,869.60, 132,860,804.40 and 65,615,618.40

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Solution

The fourth proportional to 88,573,869.60, 132,860,804.40 and 65,615,618.40 is: 98,423,427.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,573,869.60 : 132,860,804.40 = 65,615,618.40 : x
  2. Step 2: Convert to fraction form
    88,573,869.60/132,860,804.40 = 65,615,618.40/x
  3. Step 3: Cross multiply
    88,573,869.60x = 132,860,804.40 × 65,615,618.40
  4. Step 4: Simplify right side
    88,573,869.60x = 8,717,743,841,827,441
  5. Step 5: Solve for x
    x = 8,717,743,841,827,441/88,573,869.60
  6. Step 6: Final answer
    x = 98,423,427.60

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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.