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Finding the Fourth Proportional to 153,051.84, 229,595.28 and 40,736.88

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Solution

The fourth proportional to 153,051.84, 229,595.28 and 40,736.88 is: 61,109.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,051.84 : 229,595.28 = 40,736.88 : x
  2. Step 2: Convert to fraction form
    153,051.84/229,595.28 = 40,736.88/x
  3. Step 3: Cross multiply
    153,051.84x = 229,595.28 × 40,736.88
  4. Step 4: Simplify right side
    153,051.84x = 9,352,995,369.93
  5. Step 5: Solve for x
    x = 9,352,995,369.93/153,051.84
  6. Step 6: Final answer
    x = 61,109.98

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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.