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Finding the Fourth Proportional to 230,681.51, 346,340.98 and 159,428.59

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Solution

The fourth proportional to 230,681.51, 346,340.98 and 159,428.59 is: 239,363.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,681.51 : 346,340.98 = 159,428.59 : x
  2. Step 2: Convert to fraction form
    230,681.51/346,340.98 = 159,428.59/x
  3. Step 3: Cross multiply
    230,681.51x = 346,340.98 × 159,428.59
  4. Step 4: Simplify right side
    230,681.51x = 55,216,654,100.62
  5. Step 5: Solve for x
    x = 55,216,654,100.62/230,681.51
  6. Step 6: Final answer
    x = 239,363.16

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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.