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Finding the Fourth Proportional to 93,580.76, 129,149.12 and 53,307.12

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Solution

The fourth proportional to 93,580.76, 129,149.12 and 53,307.12 is: 73,568.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,580.76 : 129,149.12 = 53,307.12 : x
  2. Step 2: Convert to fraction form
    93,580.76/129,149.12 = 53,307.12/x
  3. Step 3: Cross multiply
    93,580.76x = 129,149.12 × 53,307.12
  4. Step 4: Simplify right side
    93,580.76x = 6,884,567,637.73
  5. Step 5: Solve for x
    x = 6,884,567,637.73/93,580.76
  6. Step 6: Final answer
    x = 73,568.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.