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Finding the Fourth Proportional to 155,132.01, 214,082.06 and 88,064.01

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Solution

The fourth proportional to 155,132.01, 214,082.06 and 88,064.01 is: 121,528.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,132.01 : 214,082.06 = 88,064.01 : x
  2. Step 2: Convert to fraction form
    155,132.01/214,082.06 = 88,064.01/x
  3. Step 3: Cross multiply
    155,132.01x = 214,082.06 × 88,064.01
  4. Step 4: Simplify right side
    155,132.01x = 18,852,924,232.34
  5. Step 5: Solve for x
    x = 18,852,924,232.34/155,132.01
  6. Step 6: Final answer
    x = 121,528.27

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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.