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Finding the Fourth Proportional to 282,813.52, 424,220.40 and 83,133.92

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Solution

The fourth proportional to 282,813.52, 424,220.40 and 83,133.92 is: 124,700.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,813.52 : 424,220.40 = 83,133.92 : x
  2. Step 2: Convert to fraction form
    282,813.52/424,220.40 = 83,133.92/x
  3. Step 3: Cross multiply
    282,813.52x = 424,220.40 × 83,133.92
  4. Step 4: Simplify right side
    282,813.52x = 35,267,104,795.97
  5. Step 5: Solve for x
    x = 35,267,104,795.97/282,813.52
  6. Step 6: Final answer
    x = 124,700.92

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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.