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Finding the Fourth Proportional to 170,650.32, 235,387.80 and 103,582.32

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Solution

The fourth proportional to 170,650.32, 235,387.80 and 103,582.32 is: 142,877.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,650.32 : 235,387.80 = 103,582.32 : x
  2. Step 2: Convert to fraction form
    170,650.32/235,387.80 = 103,582.32/x
  3. Step 3: Cross multiply
    170,650.32x = 235,387.80 × 103,582.32
  4. Step 4: Simplify right side
    170,650.32x = 24,382,014,423.70
  5. Step 5: Solve for x
    x = 24,382,014,423.70/170,650.32
  6. Step 6: Final answer
    x = 142,877.05

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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.