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Finding the Fourth Proportional to 541,159.09, 811,510.27 and 162,133.72

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Solution

The fourth proportional to 541,159.09, 811,510.27 and 162,133.72 is: 243,132.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,159.09 : 811,510.27 = 162,133.72 : x
  2. Step 2: Convert to fraction form
    541,159.09/811,510.27 = 162,133.72/x
  3. Step 3: Cross multiply
    541,159.09x = 811,510.27 × 162,133.72
  4. Step 4: Simplify right side
    541,159.09x = 131,573,176,459.19
  5. Step 5: Solve for x
    x = 131,573,176,459.19/541,159.09
  6. Step 6: Final answer
    x = 243,132.15

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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.