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Finding the Fourth Proportional to 114,466.80, 171,700.20 and 98,720.40

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Solution

The fourth proportional to 114,466.80, 171,700.20 and 98,720.40 is: 148,080.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,466.80 : 171,700.20 = 98,720.40 : x
  2. Step 2: Convert to fraction form
    114,466.80/171,700.20 = 98,720.40/x
  3. Step 3: Cross multiply
    114,466.80x = 171,700.20 × 98,720.40
  4. Step 4: Simplify right side
    114,466.80x = 16,950,312,424.08
  5. Step 5: Solve for x
    x = 16,950,312,424.08/114,466.80
  6. Step 6: Final answer
    x = 148,080.60

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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.