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Finding the Fourth Proportional to 275,598.60, 413,300.70 and 98,111.40

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Solution

The fourth proportional to 275,598.60, 413,300.70 and 98,111.40 is: 147,132.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,598.60 : 413,300.70 = 98,111.40 : x
  2. Step 2: Convert to fraction form
    275,598.60/413,300.70 = 98,111.40/x
  3. Step 3: Cross multiply
    275,598.60x = 413,300.70 × 98,111.40
  4. Step 4: Simplify right side
    275,598.60x = 40,549,510,297.98
  5. Step 5: Solve for x
    x = 40,549,510,297.98/275,598.60
  6. Step 6: Final answer
    x = 147,132.50

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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.