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Finding the Fourth Proportional to 147,842.60, 221,642.40 and 63,667.40

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Solution

The fourth proportional to 147,842.60, 221,642.40 and 63,667.40 is: 95,448.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,842.60 : 221,642.40 = 63,667.40 : x
  2. Step 2: Convert to fraction form
    147,842.60/221,642.40 = 63,667.40/x
  3. Step 3: Cross multiply
    147,842.60x = 221,642.40 × 63,667.40
  4. Step 4: Simplify right side
    147,842.60x = 14,111,395,337.76
  5. Step 5: Solve for x
    x = 14,111,395,337.76/147,842.60
  6. Step 6: Final answer
    x = 95,448.78

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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.