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Finding the Fourth Proportional to 88,314.19, 121,873.59 and 50,590.87

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Solution

The fourth proportional to 88,314.19, 121,873.59 and 50,590.87 is: 69,815.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,314.19 : 121,873.59 = 50,590.87 : x
  2. Step 2: Convert to fraction form
    88,314.19/121,873.59 = 50,590.87/x
  3. Step 3: Cross multiply
    88,314.19x = 121,873.59 × 50,590.87
  4. Step 4: Simplify right side
    88,314.19x = 6,165,690,643.44
  5. Step 5: Solve for x
    x = 6,165,690,643.44/88,314.19
  6. Step 6: Final answer
    x = 69,815.40

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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.