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Finding the Fourth Proportional to 217,133.52, 325,854.18 and 98,820.06

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Solution

The fourth proportional to 217,133.52, 325,854.18 and 98,820.06 is: 148,300.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,133.52 : 325,854.18 = 98,820.06 : x
  2. Step 2: Convert to fraction form
    217,133.52/325,854.18 = 98,820.06/x
  3. Step 3: Cross multiply
    217,133.52x = 325,854.18 × 98,820.06
  4. Step 4: Simplify right side
    217,133.52x = 32,200,929,618.85
  5. Step 5: Solve for x
    x = 32,200,929,618.85/217,133.52
  6. Step 6: Final answer
    x = 148,300.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.