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Finding the Fourth Proportional to 107,061.70, 160,592.55 and 97,220.20

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Solution

The fourth proportional to 107,061.70, 160,592.55 and 97,220.20 is: 145,830.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,061.70 : 160,592.55 = 97,220.20 : x
  2. Step 2: Convert to fraction form
    107,061.70/160,592.55 = 97,220.20/x
  3. Step 3: Cross multiply
    107,061.70x = 160,592.55 × 97,220.20
  4. Step 4: Simplify right side
    107,061.70x = 15,612,839,829.51
  5. Step 5: Solve for x
    x = 15,612,839,829.51/107,061.70
  6. Step 6: Final answer
    x = 145,830.30

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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.