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Finding the Fourth Proportional to 265,212.72, 365,988.42 and 144,356.67

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Solution

The fourth proportional to 265,212.72, 365,988.42 and 144,356.67 is: 199,209.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,212.72 : 365,988.42 = 144,356.67 : x
  2. Step 2: Convert to fraction form
    265,212.72/365,988.42 = 144,356.67/x
  3. Step 3: Cross multiply
    265,212.72x = 365,988.42 × 144,356.67
  4. Step 4: Simplify right side
    265,212.72x = 52,832,869,569.76
  5. Step 5: Solve for x
    x = 52,832,869,569.76/265,212.72
  6. Step 6: Final answer
    x = 199,209.41

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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.