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Finding the Fourth Proportional to 253,459.92, 349,852.64 and 146,101.76

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Solution

The fourth proportional to 253,459.92, 349,852.64 and 146,101.76 is: 201,665.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,459.92 : 349,852.64 = 146,101.76 : x
  2. Step 2: Convert to fraction form
    253,459.92/349,852.64 = 146,101.76/x
  3. Step 3: Cross multiply
    253,459.92x = 349,852.64 × 146,101.76
  4. Step 4: Simplify right side
    253,459.92x = 51,114,086,444.65
  5. Step 5: Solve for x
    x = 51,114,086,444.65/253,459.92
  6. Step 6: Final answer
    x = 201,665.36

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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.