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Finding the Fourth Proportional to 173,430.48, 260,180.88 and 98,586.48

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Solution

The fourth proportional to 173,430.48, 260,180.88 and 98,586.48 is: 147,899.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,430.48 : 260,180.88 = 98,586.48 : x
  2. Step 2: Convert to fraction form
    173,430.48/260,180.88 = 98,586.48/x
  3. Step 3: Cross multiply
    173,430.48x = 260,180.88 × 98,586.48
  4. Step 4: Simplify right side
    173,430.48x = 25,650,317,122.50
  5. Step 5: Solve for x
    x = 25,650,317,122.50/173,430.48
  6. Step 6: Final answer
    x = 147,899.71

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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.