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Finding the Fourth Proportional to 176,912.34, 244,136.60 and 100,430.76

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Solution

The fourth proportional to 176,912.34, 244,136.60 and 100,430.76 is: 138,593.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,912.34 : 244,136.60 = 100,430.76 : x
  2. Step 2: Convert to fraction form
    176,912.34/244,136.60 = 100,430.76/x
  3. Step 3: Cross multiply
    176,912.34x = 244,136.60 × 100,430.76
  4. Step 4: Simplify right side
    176,912.34x = 24,518,824,281.82
  5. Step 5: Solve for x
    x = 24,518,824,281.82/176,912.34
  6. Step 6: Final answer
    x = 138,593.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.