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Finding the Fourth Proportional to 93,499.79, 129,044.14 and 55,263.60

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Solution

The fourth proportional to 93,499.79, 129,044.14 and 55,263.60 is: 76,272.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,499.79 : 129,044.14 = 55,263.60 : x
  2. Step 2: Convert to fraction form
    93,499.79/129,044.14 = 55,263.60/x
  3. Step 3: Cross multiply
    93,499.79x = 129,044.14 × 55,263.60
  4. Step 4: Simplify right side
    93,499.79x = 7,131,443,597.15
  5. Step 5: Solve for x
    x = 7,131,443,597.15/93,499.79
  6. Step 6: Final answer
    x = 76,272.30

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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.