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Finding the Fourth Proportional to 180,073.56, 248,205.15 and 127,703.01

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Solution

The fourth proportional to 180,073.56, 248,205.15 and 127,703.01 is: 176,019.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,073.56 : 248,205.15 = 127,703.01 : x
  2. Step 2: Convert to fraction form
    180,073.56/248,205.15 = 127,703.01/x
  3. Step 3: Cross multiply
    180,073.56x = 248,205.15 × 127,703.01
  4. Step 4: Simplify right side
    180,073.56x = 31,696,544,752.50
  5. Step 5: Solve for x
    x = 31,696,544,752.50/180,073.56
  6. Step 6: Final answer
    x = 176,019.98

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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.