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Finding the Fourth Proportional to 243,170.88, 364,084.56 and 124,586.88

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Solution

The fourth proportional to 243,170.88, 364,084.56 and 124,586.88 is: 186,536.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,170.88 : 364,084.56 = 124,586.88 : x
  2. Step 2: Convert to fraction form
    243,170.88/364,084.56 = 124,586.88/x
  3. Step 3: Cross multiply
    243,170.88x = 364,084.56 × 124,586.88
  4. Step 4: Simplify right side
    243,170.88x = 45,360,159,386.57
  5. Step 5: Solve for x
    x = 45,360,159,386.57/243,170.88
  6. Step 6: Final answer
    x = 186,536.15

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1.5x scale

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.