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Finding the Fourth Proportional to 152,521.91, 210,492.84 and 84,560.20

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Solution

The fourth proportional to 152,521.91, 210,492.84 and 84,560.20 is: 116,700.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,521.91 : 210,492.84 = 84,560.20 : x
  2. Step 2: Convert to fraction form
    152,521.91/210,492.84 = 84,560.20/x
  3. Step 3: Cross multiply
    152,521.91x = 210,492.84 × 84,560.20
  4. Step 4: Simplify right side
    152,521.91x = 17,799,316,648.97
  5. Step 5: Solve for x
    x = 17,799,316,648.97/152,521.91
  6. Step 6: Final answer
    x = 116,700.06

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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.