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Finding the Fourth Proportional to 235,752.57, 325,345.57 and 145,160.81

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Solution

The fourth proportional to 235,752.57, 325,345.57 and 145,160.81 is: 200,326.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,752.57 : 325,345.57 = 145,160.81 : x
  2. Step 2: Convert to fraction form
    235,752.57/325,345.57 = 145,160.81/x
  3. Step 3: Cross multiply
    235,752.57x = 325,345.57 × 145,160.81
  4. Step 4: Simplify right side
    235,752.57x = 47,227,426,471.11
  5. Step 5: Solve for x
    x = 47,227,426,471.11/235,752.57
  6. Step 6: Final answer
    x = 200,326.24

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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.