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Finding the Fourth Proportional to 115,168.32, 172,807.36 and 59,764.16

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Solution

The fourth proportional to 115,168.32, 172,807.36 and 59,764.16 is: 89,674.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,168.32 : 172,807.36 = 59,764.16 : x
  2. Step 2: Convert to fraction form
    115,168.32/172,807.36 = 59,764.16/x
  3. Step 3: Cross multiply
    115,168.32x = 172,807.36 × 59,764.16
  4. Step 4: Simplify right side
    115,168.32x = 10,327,686,712.22
  5. Step 5: Solve for x
    x = 10,327,686,712.22/115,168.32
  6. Step 6: Final answer
    x = 89,674.72

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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.