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Finding the Fourth Proportional to 110,405.66, 152,367.66 and 62,662.08

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Solution

The fourth proportional to 110,405.66, 152,367.66 and 62,662.08 is: 86,478.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,405.66 : 152,367.66 = 62,662.08 : x
  2. Step 2: Convert to fraction form
    110,405.66/152,367.66 = 62,662.08/x
  3. Step 3: Cross multiply
    110,405.66x = 152,367.66 × 62,662.08
  4. Step 4: Simplify right side
    110,405.66x = 9,547,674,466.94
  5. Step 5: Solve for x
    x = 9,547,674,466.94/110,405.66
  6. Step 6: Final answer
    x = 86,478.13

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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.