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Finding the Fourth Proportional to 118,062.65, 162,925.44 and 64,347.65

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Solution

The fourth proportional to 118,062.65, 162,925.44 and 64,347.65 is: 88,799.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,062.65 : 162,925.44 = 64,347.65 : x
  2. Step 2: Convert to fraction form
    118,062.65/162,925.44 = 64,347.65/x
  3. Step 3: Cross multiply
    118,062.65x = 162,925.44 × 64,347.65
  4. Step 4: Simplify right side
    118,062.65x = 10,483,869,189.22
  5. Step 5: Solve for x
    x = 10,483,869,189.22/118,062.65
  6. Step 6: Final answer
    x = 88,799.20

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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.