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Finding the Fourth Proportional to 191,602.74, 286,913.38 and 159,934.06

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Solution

The fourth proportional to 191,602.74, 286,913.38 and 159,934.06 is: 239,491.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,602.74 : 286,913.38 = 159,934.06 : x
  2. Step 2: Convert to fraction form
    191,602.74/286,913.38 = 159,934.06/x
  3. Step 3: Cross multiply
    191,602.74x = 286,913.38 × 159,934.06
  4. Step 4: Simplify right side
    191,602.74x = 45,887,221,731.72
  5. Step 5: Solve for x
    x = 45,887,221,731.72/191,602.74
  6. Step 6: Final answer
    x = 239,491.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.