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Finding the Fourth Proportional to 153,513.60, 211,960.32 and 132,256.32

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Solution

The fourth proportional to 153,513.60, 211,960.32 and 132,256.32 is: 182,609.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,513.60 : 211,960.32 = 132,256.32 : x
  2. Step 2: Convert to fraction form
    153,513.60/211,960.32 = 132,256.32/x
  3. Step 3: Cross multiply
    153,513.60x = 211,960.32 × 132,256.32
  4. Step 4: Simplify right side
    153,513.60x = 28,033,091,909.22
  5. Step 5: Solve for x
    x = 28,033,091,909.22/153,513.60
  6. Step 6: Final answer
    x = 182,609.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.