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Finding the Fourth Proportional to 207,854.42, 286,837.27 and 112,360.26

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Solution

The fourth proportional to 207,854.42, 286,837.27 and 112,360.26 is: 155,056.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,854.42 : 286,837.27 = 112,360.26 : x
  2. Step 2: Convert to fraction form
    207,854.42/286,837.27 = 112,360.26/x
  3. Step 3: Cross multiply
    207,854.42x = 286,837.27 × 112,360.26
  4. Step 4: Simplify right side
    207,854.42x = 32,229,110,234.89
  5. Step 5: Solve for x
    x = 32,229,110,234.89/207,854.42
  6. Step 6: Final answer
    x = 155,056.17

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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.