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Finding the Fourth Proportional to 165,560.80, 248,200.80 and 60,318.40

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Solution

The fourth proportional to 165,560.80, 248,200.80 and 60,318.40 is: 90,426.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,560.80 : 248,200.80 = 60,318.40 : x
  2. Step 2: Convert to fraction form
    165,560.80/248,200.80 = 60,318.40/x
  3. Step 3: Cross multiply
    165,560.80x = 248,200.80 × 60,318.40
  4. Step 4: Simplify right side
    165,560.80x = 14,971,075,134.72
  5. Step 5: Solve for x
    x = 14,971,075,134.72/165,560.80
  6. Step 6: Final answer
    x = 90,426.45

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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.