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Finding the Fourth Proportional to 124,585, 171,932.04 and 70,874.92

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Solution

The fourth proportional to 124,585, 171,932.04 and 70,874.92 is: 97,810.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,585 : 171,932.04 = 70,874.92 : x
  2. Step 2: Convert to fraction form
    124,585/171,932.04 = 70,874.92/x
  3. Step 3: Cross multiply
    124,585x = 171,932.04 × 70,874.92
  4. Step 4: Simplify right side
    124,585x = 12,185,669,580.44
  5. Step 5: Solve for x
    x = 12,185,669,580.44/124,585
  6. Step 6: Final answer
    x = 97,810.09

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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.