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Finding the Fourth Proportional to 248,362.66, 372,547.41 and 70,869.61

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Solution

The fourth proportional to 248,362.66, 372,547.41 and 70,869.61 is: 106,305.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,362.66 : 372,547.41 = 70,869.61 : x
  2. Step 2: Convert to fraction form
    248,362.66/372,547.41 = 70,869.61/x
  3. Step 3: Cross multiply
    248,362.66x = 372,547.41 × 70,869.61
  4. Step 4: Simplify right side
    248,362.66x = 26,402,290,407.40
  5. Step 5: Solve for x
    x = 26,402,290,407.40/248,362.66
  6. Step 6: Final answer
    x = 106,305.39

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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.