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Finding the Fourth Proportional to 163,900.80, 245,929.20 and 58,730.40

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Solution

The fourth proportional to 163,900.80, 245,929.20 and 58,730.40 is: 88,123.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,900.80 : 245,929.20 = 58,730.40 : x
  2. Step 2: Convert to fraction form
    163,900.80/245,929.20 = 58,730.40/x
  3. Step 3: Cross multiply
    163,900.80x = 245,929.20 × 58,730.40
  4. Step 4: Simplify right side
    163,900.80x = 14,443,520,287.68
  5. Step 5: Solve for x
    x = 14,443,520,287.68/163,900.80
  6. Step 6: Final answer
    x = 88,123.55

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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.