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Finding the Fourth Proportional to 253,484.94, 349,887.09 and 146,126.74

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Solution

The fourth proportional to 253,484.94, 349,887.09 and 146,126.74 is: 201,699.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,484.94 : 349,887.09 = 146,126.74 : x
  2. Step 2: Convert to fraction form
    253,484.94/349,887.09 = 146,126.74/x
  3. Step 3: Cross multiply
    253,484.94x = 349,887.09 × 146,126.74
  4. Step 4: Simplify right side
    253,484.94x = 51,127,859,829.79
  5. Step 5: Solve for x
    x = 51,127,859,829.79/253,484.94
  6. Step 6: Final answer
    x = 201,699.79

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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.