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Finding the Fourth Proportional to 86,565.58, 119,460 and 48,322.92

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Solution

The fourth proportional to 86,565.58, 119,460 and 48,322.92 is: 66,685.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,565.58 : 119,460 = 48,322.92 : x
  2. Step 2: Convert to fraction form
    86,565.58/119,460 = 48,322.92/x
  3. Step 3: Cross multiply
    86,565.58x = 119,460 × 48,322.92
  4. Step 4: Simplify right side
    86,565.58x = 5,772,656,023.20
  5. Step 5: Solve for x
    x = 5,772,656,023.20/86,565.58
  6. Step 6: Final answer
    x = 66,685.35

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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.