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Finding the Fourth Proportional to 282,926.61, 424,417.61 and 103,060.91

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Solution

The fourth proportional to 282,926.61, 424,417.61 and 103,060.91 is: 154,601.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,926.61 : 424,417.61 = 103,060.91 : x
  2. Step 2: Convert to fraction form
    282,926.61/424,417.61 = 103,060.91/x
  3. Step 3: Cross multiply
    282,926.61x = 424,417.61 × 103,060.91
  4. Step 4: Simplify right side
    282,926.61x = 43,740,866,425.32
  5. Step 5: Solve for x
    x = 43,740,866,425.32/282,926.61
  6. Step 6: Final answer
    x = 154,601.46

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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.