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Finding the Fourth Proportional to 93,622.52, 129,167.52 and 53,307.76

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Solution

The fourth proportional to 93,622.52, 129,167.52 and 53,307.76 is: 73,546.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,622.52 : 129,167.52 = 53,307.76 : x
  2. Step 2: Convert to fraction form
    93,622.52/129,167.52 = 53,307.76/x
  3. Step 3: Cross multiply
    93,622.52x = 129,167.52 × 53,307.76
  4. Step 4: Simplify right side
    93,622.52x = 6,885,631,155.96
  5. Step 5: Solve for x
    x = 6,885,631,155.96/93,622.52
  6. Step 6: Final answer
    x = 73,546.74

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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.