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Finding the Fourth Proportional to 177,816.60, 266,068.80 and 162,070.20

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Solution

The fourth proportional to 177,816.60, 266,068.80 and 162,070.20 is: 242,507.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,816.60 : 266,068.80 = 162,070.20 : x
  2. Step 2: Convert to fraction form
    177,816.60/266,068.80 = 162,070.20/x
  3. Step 3: Cross multiply
    177,816.60x = 266,068.80 × 162,070.20
  4. Step 4: Simplify right side
    177,816.60x = 43,121,823,629.76
  5. Step 5: Solve for x
    x = 43,121,823,629.76/177,816.60
  6. Step 6: Final answer
    x = 242,507.30

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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.