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Finding the Fourth Proportional to 180,355.58, 248,888.84 and 99,783.66

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Solution

The fourth proportional to 180,355.58, 248,888.84 and 99,783.66 is: 137,700.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,355.58 : 248,888.84 = 99,783.66 : x
  2. Step 2: Convert to fraction form
    180,355.58/248,888.84 = 99,783.66/x
  3. Step 3: Cross multiply
    180,355.58x = 248,888.84 × 99,783.66
  4. Step 4: Simplify right side
    180,355.58x = 24,835,039,388.35
  5. Step 5: Solve for x
    x = 24,835,039,388.35/180,355.58
  6. Step 6: Final answer
    x = 137,700.42

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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.