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Finding the Fourth Proportional to 213,856.80, 295,196.11 and 123,248.93

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Solution

The fourth proportional to 213,856.80, 295,196.11 and 123,248.93 is: 170,126.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,856.80 : 295,196.11 = 123,248.93 : x
  2. Step 2: Convert to fraction form
    213,856.80/295,196.11 = 123,248.93/x
  3. Step 3: Cross multiply
    213,856.80x = 295,196.11 × 123,248.93
  4. Step 4: Simplify right side
    213,856.80x = 36,382,604,697.66
  5. Step 5: Solve for x
    x = 36,382,604,697.66/213,856.80
  6. Step 6: Final answer
    x = 170,126.01

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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.