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Finding the Fourth Proportional to 147,946.70, 221,920.05 and 65,002.70

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Solution

The fourth proportional to 147,946.70, 221,920.05 and 65,002.70 is: 97,504.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,946.70 : 221,920.05 = 65,002.70 : x
  2. Step 2: Convert to fraction form
    147,946.70/221,920.05 = 65,002.70/x
  3. Step 3: Cross multiply
    147,946.70x = 221,920.05 × 65,002.70
  4. Step 4: Simplify right side
    147,946.70x = 14,425,402,434.14
  5. Step 5: Solve for x
    x = 14,425,402,434.14/147,946.70
  6. Step 6: Final answer
    x = 97,504.05

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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.