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Finding the Fourth Proportional to 177,158.40, 265,759.20 and 64,821.12

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Solution

The fourth proportional to 177,158.40, 265,759.20 and 64,821.12 is: 97,239.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,158.40 : 265,759.20 = 64,821.12 : x
  2. Step 2: Convert to fraction form
    177,158.40/265,759.20 = 64,821.12/x
  3. Step 3: Cross multiply
    177,158.40x = 265,759.20 × 64,821.12
  4. Step 4: Simplify right side
    177,158.40x = 17,226,808,994.30
  5. Step 5: Solve for x
    x = 17,226,808,994.30/177,158.40
  6. Step 6: Final answer
    x = 97,239.58

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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.