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Finding the Fourth Proportional to 105,063.60, 157,597.68 and 58,612.08

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Solution

The fourth proportional to 105,063.60, 157,597.68 and 58,612.08 is: 87,919.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,063.60 : 157,597.68 = 58,612.08 : x
  2. Step 2: Convert to fraction form
    105,063.60/157,597.68 = 58,612.08/x
  3. Step 3: Cross multiply
    105,063.60x = 157,597.68 × 58,612.08
  4. Step 4: Simplify right side
    105,063.60x = 9,237,127,827.97
  5. Step 5: Solve for x
    x = 9,237,127,827.97/105,063.60
  6. Step 6: Final answer
    x = 87,919.39

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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.