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Finding the Fourth Proportional to 93,648.57, 129,210.12 and 53,361.47

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Solution

The fourth proportional to 93,648.57, 129,210.12 and 53,361.47 is: 73,624.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,648.57 : 129,210.12 = 53,361.47 : x
  2. Step 2: Convert to fraction form
    93,648.57/129,210.12 = 53,361.47/x
  3. Step 3: Cross multiply
    93,648.57x = 129,210.12 × 53,361.47
  4. Step 4: Simplify right side
    93,648.57x = 6,894,841,538.29
  5. Step 5: Solve for x
    x = 6,894,841,538.29/93,648.57
  6. Step 6: Final answer
    x = 73,624.63

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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.