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Finding the Fourth Proportional to 144,554.94, 216,840.90 and 55,808.91

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Solution

The fourth proportional to 144,554.94, 216,840.90 and 55,808.91 is: 83,716.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,554.94 : 216,840.90 = 55,808.91 : x
  2. Step 2: Convert to fraction form
    144,554.94/216,840.90 = 55,808.91/x
  3. Step 3: Cross multiply
    144,554.94x = 216,840.90 × 55,808.91
  4. Step 4: Simplify right side
    144,554.94x = 12,101,654,272.42
  5. Step 5: Solve for x
    x = 12,101,654,272.42/144,554.94
  6. Step 6: Final answer
    x = 83,716.64

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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.