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Finding the Fourth Proportional to 248,364.35, 372,549.95 and 70,871.31

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Solution

The fourth proportional to 248,364.35, 372,549.95 and 70,871.31 is: 106,307.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,364.35 : 372,549.95 = 70,871.31 : x
  2. Step 2: Convert to fraction form
    248,364.35/372,549.95 = 70,871.31/x
  3. Step 3: Cross multiply
    248,364.35x = 372,549.95 × 70,871.31
  4. Step 4: Simplify right side
    248,364.35x = 26,403,102,642.58
  5. Step 5: Solve for x
    x = 26,403,102,642.58/248,364.35
  6. Step 6: Final answer
    x = 106,307.94

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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.