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Finding the Fourth Proportional to 282,658.40, 423,724.08 and 95,539.04

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Solution

The fourth proportional to 282,658.40, 423,724.08 and 95,539.04 is: 143,219.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,658.40 : 423,724.08 = 95,539.04 : x
  2. Step 2: Convert to fraction form
    282,658.40/423,724.08 = 95,539.04/x
  3. Step 3: Cross multiply
    282,658.40x = 423,724.08 × 95,539.04
  4. Step 4: Simplify right side
    282,658.40x = 40,482,191,828.08
  5. Step 5: Solve for x
    x = 40,482,191,828.08/282,658.40
  6. Step 6: Final answer
    x = 143,219.49

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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.