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Finding the Fourth Proportional to 114,248.40, 171,421.20 and 55,053.60

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Solution

The fourth proportional to 114,248.40, 171,421.20 and 55,053.60 is: 82,603.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,248.40 : 171,421.20 = 55,053.60 : x
  2. Step 2: Convert to fraction form
    114,248.40/171,421.20 = 55,053.60/x
  3. Step 3: Cross multiply
    114,248.40x = 171,421.20 × 55,053.60
  4. Step 4: Simplify right side
    114,248.40x = 9,437,354,176.32
  5. Step 5: Solve for x
    x = 9,437,354,176.32/114,248.40
  6. Step 6: Final answer
    x = 82,603.82

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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.