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Finding the Fourth Proportional to 235,797.52, 353,482.95 and 86,002.72

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Solution

The fourth proportional to 235,797.52, 353,482.95 and 86,002.72 is: 128,926.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,797.52 : 353,482.95 = 86,002.72 : x
  2. Step 2: Convert to fraction form
    235,797.52/353,482.95 = 86,002.72/x
  3. Step 3: Cross multiply
    235,797.52x = 353,482.95 × 86,002.72
  4. Step 4: Simplify right side
    235,797.52x = 30,400,495,173.62
  5. Step 5: Solve for x
    x = 30,400,495,173.62/235,797.52
  6. Step 6: Final answer
    x = 128,926.27

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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.