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Finding the Fourth Proportional to 282,417.30, 423,492.30 and 164,124.90

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Solution

The fourth proportional to 282,417.30, 423,492.30 and 164,124.90 is: 246,109.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,417.30 : 423,492.30 = 164,124.90 : x
  2. Step 2: Convert to fraction form
    282,417.30/423,492.30 = 164,124.90/x
  3. Step 3: Cross multiply
    282,417.30x = 423,492.30 × 164,124.90
  4. Step 4: Simplify right side
    282,417.30x = 69,505,631,388.27
  5. Step 5: Solve for x
    x = 69,505,631,388.27/282,417.30
  6. Step 6: Final answer
    x = 246,109.68

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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.