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Finding the Fourth Proportional to 114,813.76, 172,287.44 and 48,248.80

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Solution

The fourth proportional to 114,813.76, 172,287.44 and 48,248.80 is: 72,401.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,813.76 : 172,287.44 = 48,248.80 : x
  2. Step 2: Convert to fraction form
    114,813.76/172,287.44 = 48,248.80/x
  3. Step 3: Cross multiply
    114,813.76x = 172,287.44 × 48,248.80
  4. Step 4: Simplify right side
    114,813.76x = 8,312,662,235.07
  5. Step 5: Solve for x
    x = 8,312,662,235.07/114,813.76
  6. Step 6: Final answer
    x = 72,401.27

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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.