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Finding the Fourth Proportional to 147,752.40, 221,710.40 and 91,622.64

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Solution

The fourth proportional to 147,752.40, 221,710.40 and 91,622.64 is: 137,484.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,752.40 : 221,710.40 = 91,622.64 : x
  2. Step 2: Convert to fraction form
    147,752.40/221,710.40 = 91,622.64/x
  3. Step 3: Cross multiply
    147,752.40x = 221,710.40 × 91,622.64
  4. Step 4: Simplify right side
    147,752.40x = 20,313,692,163.46
  5. Step 5: Solve for x
    x = 20,313,692,163.46/147,752.40
  6. Step 6: Final answer
    x = 137,484.68

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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.