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Finding the Fourth Proportional to 115,048.64, 172,614.24 and 44,978.24

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Solution

The fourth proportional to 115,048.64, 172,614.24 and 44,978.24 is: 67,483.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,048.64 : 172,614.24 = 44,978.24 : x
  2. Step 2: Convert to fraction form
    115,048.64/172,614.24 = 44,978.24/x
  3. Step 3: Cross multiply
    115,048.64x = 172,614.24 × 44,978.24
  4. Step 4: Simplify right side
    115,048.64x = 7,763,884,714.14
  5. Step 5: Solve for x
    x = 7,763,884,714.14/115,048.64
  6. Step 6: Final answer
    x = 67,483.50

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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.