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Finding the Fourth Proportional to 180,048.64, 248,462.76 and 99,483.88

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Solution

The fourth proportional to 180,048.64, 248,462.76 and 99,483.88 is: 137,285.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,048.64 : 248,462.76 = 99,483.88 : x
  2. Step 2: Convert to fraction form
    180,048.64/248,462.76 = 99,483.88/x
  3. Step 3: Cross multiply
    180,048.64x = 248,462.76 × 99,483.88
  4. Step 4: Simplify right side
    180,048.64x = 24,718,039,400.31
  5. Step 5: Solve for x
    x = 24,718,039,400.31/180,048.64
  6. Step 6: Final answer
    x = 137,285.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.