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Finding the Fourth Proportional to 172,988.16, 238,727.28 and 97,522.08

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Solution

The fourth proportional to 172,988.16, 238,727.28 and 97,522.08 is: 134,582.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,988.16 : 238,727.28 = 97,522.08 : x
  2. Step 2: Convert to fraction form
    172,988.16/238,727.28 = 97,522.08/x
  3. Step 3: Cross multiply
    172,988.16x = 238,727.28 × 97,522.08
  4. Step 4: Simplify right side
    172,988.16x = 23,281,180,898.34
  5. Step 5: Solve for x
    x = 23,281,180,898.34/172,988.16
  6. Step 6: Final answer
    x = 134,582.51

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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.