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Finding the Fourth Proportional to 153,482.82, 230,255.50 and 64,736.66

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Solution

The fourth proportional to 153,482.82, 230,255.50 and 64,736.66 is: 97,118.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,482.82 : 230,255.50 = 64,736.66 : x
  2. Step 2: Convert to fraction form
    153,482.82/230,255.50 = 64,736.66/x
  3. Step 3: Cross multiply
    153,482.82x = 230,255.50 × 64,736.66
  4. Step 4: Simplify right side
    153,482.82x = 14,905,972,016.63
  5. Step 5: Solve for x
    x = 14,905,972,016.63/153,482.82
  6. Step 6: Final answer
    x = 97,118.18

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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.