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Finding the Fourth Proportional to 163,750.40, 245,625.60 and 58,572.80

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Solution

The fourth proportional to 163,750.40, 245,625.60 and 58,572.80 is: 87,859.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,750.40 : 245,625.60 = 58,572.80 : x
  2. Step 2: Convert to fraction form
    163,750.40/245,625.60 = 58,572.80/x
  3. Step 3: Cross multiply
    163,750.40x = 245,625.60 × 58,572.80
  4. Step 4: Simplify right side
    163,750.40x = 14,386,979,143.68
  5. Step 5: Solve for x
    x = 14,386,979,143.68/163,750.40
  6. Step 6: Final answer
    x = 87,859.20

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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.