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Finding the Fourth Proportional to 173,345.30, 260,043.15 and 73,505.30

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Solution

The fourth proportional to 173,345.30, 260,043.15 and 73,505.30 is: 110,268.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,345.30 : 260,043.15 = 73,505.30 : x
  2. Step 2: Convert to fraction form
    173,345.30/260,043.15 = 73,505.30/x
  3. Step 3: Cross multiply
    173,345.30x = 260,043.15 × 73,505.30
  4. Step 4: Simplify right side
    173,345.30x = 19,114,549,753.70
  5. Step 5: Solve for x
    x = 19,114,549,753.70/173,345.30
  6. Step 6: Final answer
    x = 110,268.64

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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.