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Finding the Fourth Proportional to 130,321, 195,492.48 and 41,587.12

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Solution

The fourth proportional to 130,321, 195,492.48 and 41,587.12 is: 62,384.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,321 : 195,492.48 = 41,587.12 : x
  2. Step 2: Convert to fraction form
    130,321/195,492.48 = 41,587.12/x
  3. Step 3: Cross multiply
    130,321x = 195,492.48 × 41,587.12
  4. Step 4: Simplify right side
    130,321x = 8,129,969,224.86
  5. Step 5: Solve for x
    x = 8,129,969,224.86/130,321
  6. Step 6: Final answer
    x = 62,384.18

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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.