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Finding the Fourth Proportional to 207,967.48, 286,995.32 and 112,474.18

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Solution

The fourth proportional to 207,967.48, 286,995.32 and 112,474.18 is: 155,214.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,967.48 : 286,995.32 = 112,474.18 : x
  2. Step 2: Convert to fraction form
    207,967.48/286,995.32 = 112,474.18/x
  3. Step 3: Cross multiply
    207,967.48x = 286,995.32 × 112,474.18
  4. Step 4: Simplify right side
    207,967.48x = 32,279,563,498.99
  5. Step 5: Solve for x
    x = 32,279,563,498.99/207,967.48
  6. Step 6: Final answer
    x = 155,214.47

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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.