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Finding the Fourth Proportional to 238,581, 329,234.76 and 136,603.08

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Solution

The fourth proportional to 238,581, 329,234.76 and 136,603.08 is: 188,508.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,581 : 329,234.76 = 136,603.08 : x
  2. Step 2: Convert to fraction form
    238,581/329,234.76 = 136,603.08/x
  3. Step 3: Cross multiply
    238,581x = 329,234.76 × 136,603.08
  4. Step 4: Simplify right side
    238,581x = 44,974,482,259.06
  5. Step 5: Solve for x
    x = 44,974,482,259.06/238,581
  6. Step 6: Final answer
    x = 188,508.23

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1.5x scale

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.