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Finding the Fourth Proportional to 237,816.96, 328,208.10 and 130,407.92

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Solution

The fourth proportional to 237,816.96, 328,208.10 and 130,407.92 is: 179,974.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,816.96 : 328,208.10 = 130,407.92 : x
  2. Step 2: Convert to fraction form
    237,816.96/328,208.10 = 130,407.92/x
  3. Step 3: Cross multiply
    237,816.96x = 328,208.10 × 130,407.92
  4. Step 4: Simplify right side
    237,816.96x = 42,800,937,328.58
  5. Step 5: Solve for x
    x = 42,800,937,328.58/237,816.96
  6. Step 6: Final answer
    x = 179,974.28

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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.