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Finding the Fourth Proportional to 282,842.36, 424,263.38 and 83,164.40

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Solution

The fourth proportional to 282,842.36, 424,263.38 and 83,164.40 is: 124,746.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,842.36 : 424,263.38 = 83,164.40 : x
  2. Step 2: Convert to fraction form
    282,842.36/424,263.38 = 83,164.40/x
  3. Step 3: Cross multiply
    282,842.36x = 424,263.38 × 83,164.40
  4. Step 4: Simplify right side
    282,842.36x = 35,283,606,902.53
  5. Step 5: Solve for x
    x = 35,283,606,902.53/282,842.36
  6. Step 6: Final answer
    x = 124,746.55

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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.