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Finding the Fourth Proportional to 237,547.68, 327,814.17 and 128,649.51

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Solution

The fourth proportional to 237,547.68, 327,814.17 and 128,649.51 is: 177,535.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,547.68 : 327,814.17 = 128,649.51 : x
  2. Step 2: Convert to fraction form
    237,547.68/327,814.17 = 128,649.51/x
  3. Step 3: Cross multiply
    237,547.68x = 327,814.17 × 128,649.51
  4. Step 4: Simplify right side
    237,547.68x = 42,173,132,341.56
  5. Step 5: Solve for x
    x = 42,173,132,341.56/237,547.68
  6. Step 6: Final answer
    x = 177,535.44

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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.