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Finding the Fourth Proportional to 213,937.19, 295,264.41 and 123,275.51

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Solution

The fourth proportional to 213,937.19, 295,264.41 and 123,275.51 is: 170,138.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,937.19 : 295,264.41 = 123,275.51 : x
  2. Step 2: Convert to fraction form
    213,937.19/295,264.41 = 123,275.51/x
  3. Step 3: Cross multiply
    213,937.19x = 295,264.41 × 123,275.51
  4. Step 4: Simplify right side
    213,937.19x = 36,398,870,727.60
  5. Step 5: Solve for x
    x = 36,398,870,727.60/213,937.19
  6. Step 6: Final answer
    x = 170,138.12

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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.