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Finding the Fourth Proportional to 157,465.20, 236,226.60 and 63,980.40

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Solution

The fourth proportional to 157,465.20, 236,226.60 and 63,980.40 is: 95,982.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,465.20 : 236,226.60 = 63,980.40 : x
  2. Step 2: Convert to fraction form
    157,465.20/236,226.60 = 63,980.40/x
  3. Step 3: Cross multiply
    157,465.20x = 236,226.60 × 63,980.40
  4. Step 4: Simplify right side
    157,465.20x = 15,113,872,358.64
  5. Step 5: Solve for x
    x = 15,113,872,358.64/157,465.20
  6. Step 6: Final answer
    x = 95,982.30

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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.