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Finding the Fourth Proportional to 238,457.46, 357,686.27 and 88,678.20

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Solution

The fourth proportional to 238,457.46, 357,686.27 and 88,678.20 is: 133,017.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,457.46 : 357,686.27 = 88,678.20 : x
  2. Step 2: Convert to fraction form
    238,457.46/357,686.27 = 88,678.20/x
  3. Step 3: Cross multiply
    238,457.46x = 357,686.27 × 88,678.20
  4. Step 4: Simplify right side
    238,457.46x = 31,718,974,144.92
  5. Step 5: Solve for x
    x = 31,718,974,144.92/238,457.46
  6. Step 6: Final answer
    x = 133,017.33

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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.