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Finding the Fourth Proportional to 93,319,219.80, 139,978,829.70 and 59,265,005.40

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Solution

The fourth proportional to 93,319,219.80, 139,978,829.70 and 59,265,005.40 is: 88,897,508.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,319,219.80 : 139,978,829.70 = 59,265,005.40 : x
  2. Step 2: Convert to fraction form
    93,319,219.80/139,978,829.70 = 59,265,005.40/x
  3. Step 3: Cross multiply
    93,319,219.80x = 139,978,829.70 × 59,265,005.40
  4. Step 4: Simplify right side
    93,319,219.80x = 8,295,846,098,056,179
  5. Step 5: Solve for x
    x = 8,295,846,098,056,179/93,319,219.80
  6. Step 6: Final answer
    x = 88,897,508.10

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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.