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Finding the Fourth Proportional to 149,802.80, 224,412.60 and 83,123.60

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Solution

The fourth proportional to 149,802.80, 224,412.60 and 83,123.60 is: 124,523.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,802.80 : 224,412.60 = 83,123.60 : x
  2. Step 2: Convert to fraction form
    149,802.80/224,412.60 = 83,123.60/x
  3. Step 3: Cross multiply
    149,802.80x = 224,412.60 × 83,123.60
  4. Step 4: Simplify right side
    149,802.80x = 18,653,983,197.36
  5. Step 5: Solve for x
    x = 18,653,983,197.36/149,802.80
  6. Step 6: Final answer
    x = 124,523.60

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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.