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Finding the Fourth Proportional to 265,812.80, 366,830.52 and 144,960.68

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Solution

The fourth proportional to 265,812.80, 366,830.52 and 144,960.68 is: 200,050.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,812.80 : 366,830.52 = 144,960.68 : x
  2. Step 2: Convert to fraction form
    265,812.80/366,830.52 = 144,960.68/x
  3. Step 3: Cross multiply
    265,812.80x = 366,830.52 × 144,960.68
  4. Step 4: Simplify right side
    265,812.80x = 53,176,001,623.95
  5. Step 5: Solve for x
    x = 53,176,001,623.95/265,812.80
  6. Step 6: Final answer
    x = 200,050.57

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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.