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Finding the Fourth Proportional to 202,987.10, 284,648.50 and 202,987.10

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Solution

The fourth proportional to 202,987.10, 284,648.50 and 202,987.10 is: 284,648.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,987.10 : 284,648.50 = 202,987.10 : x
  2. Step 2: Convert to fraction form
    202,987.10/284,648.50 = 202,987.10/x
  3. Step 3: Cross multiply
    202,987.10x = 284,648.50 × 202,987.10
  4. Step 4: Simplify right side
    202,987.10x = 57,779,973,534.35
  5. Step 5: Solve for x
    x = 57,779,973,534.35/202,987.10
  6. Step 6: Final answer
    x = 284,648.50

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.