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Finding the Fourth Proportional to 253,602.90, 349,887.04 and 146,170.63

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Solution

The fourth proportional to 253,602.90, 349,887.04 and 146,170.63 is: 201,666.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,602.90 : 349,887.04 = 146,170.63 : x
  2. Step 2: Convert to fraction form
    253,602.90/349,887.04 = 146,170.63/x
  3. Step 3: Cross multiply
    253,602.90x = 349,887.04 × 146,170.63
  4. Step 4: Simplify right side
    253,602.90x = 51,143,207,991.66
  5. Step 5: Solve for x
    x = 51,143,207,991.66/253,602.90
  6. Step 6: Final answer
    x = 201,666.50

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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.