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Finding the Fourth Proportional to 86,803.71, 119,800.17 and 48,565.41

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Solution

The fourth proportional to 86,803.71, 119,800.17 and 48,565.41 is: 67,026.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,803.71 : 119,800.17 = 48,565.41 : x
  2. Step 2: Convert to fraction form
    86,803.71/119,800.17 = 48,565.41/x
  3. Step 3: Cross multiply
    86,803.71x = 119,800.17 × 48,565.41
  4. Step 4: Simplify right side
    86,803.71x = 5,818,144,374.12
  5. Step 5: Solve for x
    x = 5,818,144,374.12/86,803.71
  6. Step 6: Final answer
    x = 67,026.45

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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.