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Finding the Fourth Proportional to 541,159.11, 811,510.26 and 162,133.70

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Solution

The fourth proportional to 541,159.11, 811,510.26 and 162,133.70 is: 243,132.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,159.11 : 811,510.26 = 162,133.70 : x
  2. Step 2: Convert to fraction form
    541,159.11/811,510.26 = 162,133.70/x
  3. Step 3: Cross multiply
    541,159.11x = 811,510.26 × 162,133.70
  4. Step 4: Simplify right side
    541,159.11x = 131,573,164,592.51
  5. Step 5: Solve for x
    x = 131,573,164,592.51/541,159.11
  6. Step 6: Final answer
    x = 243,132.13

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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.