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Finding the Fourth Proportional to 161,510.80, 242,309.40 and 114,854.80

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Solution

The fourth proportional to 161,510.80, 242,309.40 and 114,854.80 is: 172,312.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,510.80 : 242,309.40 = 114,854.80 : x
  2. Step 2: Convert to fraction form
    161,510.80/242,309.40 = 114,854.80/x
  3. Step 3: Cross multiply
    161,510.80x = 242,309.40 × 114,854.80
  4. Step 4: Simplify right side
    161,510.80x = 27,830,397,675.12
  5. Step 5: Solve for x
    x = 27,830,397,675.12/161,510.80
  6. Step 6: Final answer
    x = 172,312.92

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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.