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Finding the Fourth Proportional to 77,410.64, 115,951.93 and 58,482.15

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Solution

The fourth proportional to 77,410.64, 115,951.93 and 58,482.15 is: 87,599.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,410.64 : 115,951.93 = 58,482.15 : x
  2. Step 2: Convert to fraction form
    77,410.64/115,951.93 = 58,482.15/x
  3. Step 3: Cross multiply
    77,410.64x = 115,951.93 × 58,482.15
  4. Step 4: Simplify right side
    77,410.64x = 6,781,118,398.74
  5. Step 5: Solve for x
    x = 6,781,118,398.74/77,410.64
  6. Step 6: Final answer
    x = 87,599.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.