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Finding the Fourth Proportional to 243,584.29, 336,132.71 and 134,682.32

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Solution

The fourth proportional to 243,584.29, 336,132.71 and 134,682.32 is: 185,854.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,584.29 : 336,132.71 = 134,682.32 : x
  2. Step 2: Convert to fraction form
    243,584.29/336,132.71 = 134,682.32/x
  3. Step 3: Cross multiply
    243,584.29x = 336,132.71 × 134,682.32
  4. Step 4: Simplify right side
    243,584.29x = 45,271,133,210.69
  5. Step 5: Solve for x
    x = 45,271,133,210.69/243,584.29
  6. Step 6: Final answer
    x = 185,854.08

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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.