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Finding the Fourth Proportional to 147,418.80, 220,901.40 and 109,802.40

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Solution

The fourth proportional to 147,418.80, 220,901.40 and 109,802.40 is: 164,534.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,418.80 : 220,901.40 = 109,802.40 : x
  2. Step 2: Convert to fraction form
    147,418.80/220,901.40 = 109,802.40/x
  3. Step 3: Cross multiply
    147,418.80x = 220,901.40 × 109,802.40
  4. Step 4: Simplify right side
    147,418.80x = 24,255,503,883.36
  5. Step 5: Solve for x
    x = 24,255,503,883.36/147,418.80
  6. Step 6: Final answer
    x = 164,534.67

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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.