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Finding the Fourth Proportional to 153,659.12, 230,488.72 and 48,486.32

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Solution

The fourth proportional to 153,659.12, 230,488.72 and 48,486.32 is: 72,729.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,659.12 : 230,488.72 = 48,486.32 : x
  2. Step 2: Convert to fraction form
    153,659.12/230,488.72 = 48,486.32/x
  3. Step 3: Cross multiply
    153,659.12x = 230,488.72 × 48,486.32
  4. Step 4: Simplify right side
    153,659.12x = 11,175,549,834.31
  5. Step 5: Solve for x
    x = 11,175,549,834.31/153,659.12
  6. Step 6: Final answer
    x = 72,729.49

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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.