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Finding the Fourth Proportional to 124,510.61, 171,832.76 and 70,800.62

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Solution

The fourth proportional to 124,510.61, 171,832.76 and 70,800.62 is: 97,709.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,510.61 : 171,832.76 = 70,800.62 : x
  2. Step 2: Convert to fraction form
    124,510.61/171,832.76 = 70,800.62/x
  3. Step 3: Cross multiply
    124,510.61x = 171,832.76 × 70,800.62
  4. Step 4: Simplify right side
    124,510.61x = 12,165,865,944.31
  5. Step 5: Solve for x
    x = 12,165,865,944.31/124,510.61
  6. Step 6: Final answer
    x = 97,709.47

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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.