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Finding the Fourth Proportional to 97,732.57, 134,885.45 and 61,925.93

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Solution

The fourth proportional to 97,732.57, 134,885.45 and 61,925.93 is: 85,466.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,732.57 : 134,885.45 = 61,925.93 : x
  2. Step 2: Convert to fraction form
    97,732.57/134,885.45 = 61,925.93/x
  3. Step 3: Cross multiply
    97,732.57x = 134,885.45 × 61,925.93
  4. Step 4: Simplify right side
    97,732.57x = 8,352,906,934.72
  5. Step 5: Solve for x
    x = 8,352,906,934.72/97,732.57
  6. Step 6: Final answer
    x = 85,466.97

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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.