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Finding the Fourth Proportional to 114,487.40, 171,731.10 and 101,802.80

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Solution

The fourth proportional to 114,487.40, 171,731.10 and 101,802.80 is: 152,704.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,487.40 : 171,731.10 = 101,802.80 : x
  2. Step 2: Convert to fraction form
    114,487.40/171,731.10 = 101,802.80/x
  3. Step 3: Cross multiply
    114,487.40x = 171,731.10 × 101,802.80
  4. Step 4: Simplify right side
    114,487.40x = 17,482,706,827.08
  5. Step 5: Solve for x
    x = 17,482,706,827.08/114,487.40
  6. Step 6: Final answer
    x = 152,704.20

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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.