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Finding the Fourth Proportional to 153,276.66, 229,926.48 and 40,954.35

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Solution

The fourth proportional to 153,276.66, 229,926.48 and 40,954.35 is: 61,434.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,276.66 : 229,926.48 = 40,954.35 : x
  2. Step 2: Convert to fraction form
    153,276.66/229,926.48 = 40,954.35/x
  3. Step 3: Cross multiply
    153,276.66x = 229,926.48 × 40,954.35
  4. Step 4: Simplify right side
    153,276.66x = 9,416,489,536.19
  5. Step 5: Solve for x
    x = 9,416,489,536.19/153,276.66
  6. Step 6: Final answer
    x = 61,434.60

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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.