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Finding the Fourth Proportional to 187,549.84, 258,818.88 and 102,666.88

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Solution

The fourth proportional to 187,549.84, 258,818.88 and 102,666.88 is: 141,680.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,549.84 : 258,818.88 = 102,666.88 : x
  2. Step 2: Convert to fraction form
    187,549.84/258,818.88 = 102,666.88/x
  3. Step 3: Cross multiply
    187,549.84x = 258,818.88 × 102,666.88
  4. Step 4: Simplify right side
    187,549.84x = 26,572,126,894.69
  5. Step 5: Solve for x
    x = 26,572,126,894.69/187,549.84
  6. Step 6: Final answer
    x = 141,680.35

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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.