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Finding the Fourth Proportional to 240,643.13, 332,175.14 and 140,041.13

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Solution

The fourth proportional to 240,643.13, 332,175.14 and 140,041.13 is: 193,307.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,643.13 : 332,175.14 = 140,041.13 : x
  2. Step 2: Convert to fraction form
    240,643.13/332,175.14 = 140,041.13/x
  3. Step 3: Cross multiply
    240,643.13x = 332,175.14 × 140,041.13
  4. Step 4: Simplify right side
    240,643.13x = 46,518,179,602.43
  5. Step 5: Solve for x
    x = 46,518,179,602.43/240,643.13
  6. Step 6: Final answer
    x = 193,307.74

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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.