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Finding the Fourth Proportional to 147,350.40, 221,054.40 and 58,588.80

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Solution

The fourth proportional to 147,350.40, 221,054.40 and 58,588.80 is: 87,894.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,350.40 : 221,054.40 = 58,588.80 : x
  2. Step 2: Convert to fraction form
    147,350.40/221,054.40 = 58,588.80/x
  3. Step 3: Cross multiply
    147,350.40x = 221,054.40 × 58,588.80
  4. Step 4: Simplify right side
    147,350.40x = 12,951,312,030.72
  5. Step 5: Solve for x
    x = 12,951,312,030.72/147,350.40
  6. Step 6: Final answer
    x = 87,894.65

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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.