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Finding the Fourth Proportional to 253,541.34, 349,873.73 and 138,798.00

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Solution

The fourth proportional to 253,541.34, 349,873.73 and 138,798.00 is: 191,533.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,541.34 : 349,873.73 = 138,798.00 : x
  2. Step 2: Convert to fraction form
    253,541.34/349,873.73 = 138,798.00/x
  3. Step 3: Cross multiply
    253,541.34x = 349,873.73 × 138,798.00
  4. Step 4: Simplify right side
    253,541.34x = 48,561,772,227.17
  5. Step 5: Solve for x
    x = 48,561,772,227.17/253,541.34
  6. Step 6: Final answer
    x = 191,533.94

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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.