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Finding the Fourth Proportional to 220,877.66, 304,803.06 and 134,980.39

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Solution

The fourth proportional to 220,877.66, 304,803.06 and 134,980.39 is: 186,267.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,877.66 : 304,803.06 = 134,980.39 : x
  2. Step 2: Convert to fraction form
    220,877.66/304,803.06 = 134,980.39/x
  3. Step 3: Cross multiply
    220,877.66x = 304,803.06 × 134,980.39
  4. Step 4: Simplify right side
    220,877.66x = 41,142,435,450.01
  5. Step 5: Solve for x
    x = 41,142,435,450.01/220,877.66
  6. Step 6: Final answer
    x = 186,267.98

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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.