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Finding the Fourth Proportional to 88,573,751.60, 132,860,627.40 and 74,464,977.20

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Solution

The fourth proportional to 88,573,751.60, 132,860,627.40 and 74,464,977.20 is: 111,697,465.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,573,751.60 : 132,860,627.40 = 74,464,977.20 : x
  2. Step 2: Convert to fraction form
    88,573,751.60/132,860,627.40 = 74,464,977.20/x
  3. Step 3: Cross multiply
    88,573,751.60x = 132,860,627.40 × 74,464,977.20
  4. Step 4: Simplify right side
    88,573,751.60x = 9,893,463,590,118,696
  5. Step 5: Solve for x
    x = 9,893,463,590,118,696/88,573,751.60
  6. Step 6: Final answer
    x = 111,697,465.80

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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.