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Finding the Fourth Proportional to 221,445.10, 332,210.85 and 95,085.10

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Solution

The fourth proportional to 221,445.10, 332,210.85 and 95,085.10 is: 142,646.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,445.10 : 332,210.85 = 95,085.10 : x
  2. Step 2: Convert to fraction form
    221,445.10/332,210.85 = 95,085.10/x
  3. Step 3: Cross multiply
    221,445.10x = 332,210.85 × 95,085.10
  4. Step 4: Simplify right side
    221,445.10x = 31,588,301,893.34
  5. Step 5: Solve for x
    x = 31,588,301,893.34/221,445.10
  6. Step 6: Final answer
    x = 142,646.20

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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.