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Finding the Fourth Proportional to 149,586.65, 224,378.25 and 42,973.22

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Solution

The fourth proportional to 149,586.65, 224,378.25 and 42,973.22 is: 64,459.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,586.65 : 224,378.25 = 42,973.22 : x
  2. Step 2: Convert to fraction form
    149,586.65/224,378.25 = 42,973.22/x
  3. Step 3: Cross multiply
    149,586.65x = 224,378.25 × 42,973.22
  4. Step 4: Simplify right side
    149,586.65x = 9,642,254,778.57
  5. Step 5: Solve for x
    x = 9,642,254,778.57/149,586.65
  6. Step 6: Final answer
    x = 64,459.33

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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.