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Finding the Fourth Proportional to 93,312.63, 140,059.15 and 88,255.19

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Solution

The fourth proportional to 93,312.63, 140,059.15 and 88,255.19 is: 132,468.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312.63 : 140,059.15 = 88,255.19 : x
  2. Step 2: Convert to fraction form
    93,312.63/140,059.15 = 88,255.19/x
  3. Step 3: Cross multiply
    93,312.63x = 140,059.15 × 88,255.19
  4. Step 4: Simplify right side
    93,312.63x = 12,360,947,024.00
  5. Step 5: Solve for x
    x = 12,360,947,024.00/93,312.63
  6. Step 6: Final answer
    x = 132,468.10

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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.