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Finding the Fourth Proportional to 163,679.40, 245,519.10 and 58,501.80

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Solution

The fourth proportional to 163,679.40, 245,519.10 and 58,501.80 is: 87,752.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,679.40 : 245,519.10 = 58,501.80 : x
  2. Step 2: Convert to fraction form
    163,679.40/245,519.10 = 58,501.80/x
  3. Step 3: Cross multiply
    163,679.40x = 245,519.10 × 58,501.80
  4. Step 4: Simplify right side
    163,679.40x = 14,363,309,284.38
  5. Step 5: Solve for x
    x = 14,363,309,284.38/163,679.40
  6. Step 6: Final answer
    x = 87,752.70

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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.