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Finding the Fourth Proportional to 114,886.68, 158,557.86 and 64,585.68

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Solution

The fourth proportional to 114,886.68, 158,557.86 and 64,585.68 is: 89,136.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,886.68 : 158,557.86 = 64,585.68 : x
  2. Step 2: Convert to fraction form
    114,886.68/158,557.86 = 64,585.68/x
  3. Step 3: Cross multiply
    114,886.68x = 158,557.86 × 64,585.68
  4. Step 4: Simplify right side
    114,886.68x = 10,240,567,207.44
  5. Step 5: Solve for x
    x = 10,240,567,207.44/114,886.68
  6. Step 6: Final answer
    x = 89,136.24

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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.