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Finding the Fourth Proportional to 248,326.34, 342,701.58 and 146,356.08

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Solution

The fourth proportional to 248,326.34, 342,701.58 and 146,356.08 is: 201,978.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,326.34 : 342,701.58 = 146,356.08 : x
  2. Step 2: Convert to fraction form
    248,326.34/342,701.58 = 146,356.08/x
  3. Step 3: Cross multiply
    248,326.34x = 342,701.58 × 146,356.08
  4. Step 4: Simplify right side
    248,326.34x = 50,156,459,858.61
  5. Step 5: Solve for x
    x = 50,156,459,858.61/248,326.34
  6. Step 6: Final answer
    x = 201,978.01

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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.