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Finding the Fourth Proportional to 105,801.38, 146,005.50 and 58,055.53

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Solution

The fourth proportional to 105,801.38, 146,005.50 and 58,055.53 is: 80,116.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,801.38 : 146,005.50 = 58,055.53 : x
  2. Step 2: Convert to fraction form
    105,801.38/146,005.50 = 58,055.53/x
  3. Step 3: Cross multiply
    105,801.38x = 146,005.50 × 58,055.53
  4. Step 4: Simplify right side
    105,801.38x = 8,476,425,955.39
  5. Step 5: Solve for x
    x = 8,476,425,955.39/105,801.38
  6. Step 6: Final answer
    x = 80,116.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.