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Finding the Fourth Proportional to 253,486.56, 349,848.96 and 146,036.16

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Solution

The fourth proportional to 253,486.56, 349,848.96 and 146,036.16 is: 201,551.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,486.56 : 349,848.96 = 146,036.16 : x
  2. Step 2: Convert to fraction form
    253,486.56/349,848.96 = 146,036.16/x
  3. Step 3: Cross multiply
    253,486.56x = 349,848.96 × 146,036.16
  4. Step 4: Simplify right side
    253,486.56x = 51,090,598,698.39
  5. Step 5: Solve for x
    x = 51,090,598,698.39/253,486.56
  6. Step 6: Final answer
    x = 201,551.51

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1.5x scale

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.