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Finding the Fourth Proportional to 115,294, 172,946.19 and 35,326.11

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Solution

The fourth proportional to 115,294, 172,946.19 and 35,326.11 is: 52,990.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,294 : 172,946.19 = 35,326.11 : x
  2. Step 2: Convert to fraction form
    115,294/172,946.19 = 35,326.11/x
  3. Step 3: Cross multiply
    115,294x = 172,946.19 × 35,326.11
  4. Step 4: Simplify right side
    115,294x = 6,109,516,132.02
  5. Step 5: Solve for x
    x = 6,109,516,132.02/115,294
  6. Step 6: Final answer
    x = 52,990.76

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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.