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Finding the Fourth Proportional to 152,877.29, 210,963.60 and 84,898.62

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Solution

The fourth proportional to 152,877.29, 210,963.60 and 84,898.62 is: 117,156.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,877.29 : 210,963.60 = 84,898.62 : x
  2. Step 2: Convert to fraction form
    152,877.29/210,963.60 = 84,898.62/x
  3. Step 3: Cross multiply
    152,877.29x = 210,963.60 × 84,898.62
  4. Step 4: Simplify right side
    152,877.29x = 17,910,518,510.23
  5. Step 5: Solve for x
    x = 17,910,518,510.23/152,877.29
  6. Step 6: Final answer
    x = 117,156.18

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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.