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Finding the Fourth Proportional to 195,312.20, 292,977.90 and 102,000.20

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Solution

The fourth proportional to 195,312.20, 292,977.90 and 102,000.20 is: 153,005.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,312.20 : 292,977.90 = 102,000.20 : x
  2. Step 2: Convert to fraction form
    195,312.20/292,977.90 = 102,000.20/x
  3. Step 3: Cross multiply
    195,312.20x = 292,977.90 × 102,000.20
  4. Step 4: Simplify right side
    195,312.20x = 29,883,804,395.58
  5. Step 5: Solve for x
    x = 29,883,804,395.58/195,312.20
  6. Step 6: Final answer
    x = 153,005.31

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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.