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Finding the Fourth Proportional to 207,417.44, 286,150.92 and 153,834.32

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Solution

The fourth proportional to 207,417.44, 286,150.92 and 153,834.32 is: 212,228.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,417.44 : 286,150.92 = 153,834.32 : x
  2. Step 2: Convert to fraction form
    207,417.44/286,150.92 = 153,834.32/x
  3. Step 3: Cross multiply
    207,417.44x = 286,150.92 × 153,834.32
  4. Step 4: Simplify right side
    207,417.44x = 44,019,832,195.57
  5. Step 5: Solve for x
    x = 44,019,832,195.57/207,417.44
  6. Step 6: Final answer
    x = 212,228.21

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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.