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Finding the Fourth Proportional to 292,972.80, 439,401.60 and 95,980.80

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Solution

The fourth proportional to 292,972.80, 439,401.60 and 95,980.80 is: 143,952.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,972.80 : 439,401.60 = 95,980.80 : x
  2. Step 2: Convert to fraction form
    292,972.80/439,401.60 = 95,980.80/x
  3. Step 3: Cross multiply
    292,972.80x = 439,401.60 × 95,980.80
  4. Step 4: Simplify right side
    292,972.80x = 42,174,117,089.28
  5. Step 5: Solve for x
    x = 42,174,117,089.28/292,972.80
  6. Step 6: Final answer
    x = 143,952.33

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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.