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Finding the Fourth Proportional to 266,954.04, 368,361 and 153,754.92

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Solution

The fourth proportional to 266,954.04, 368,361 and 153,754.92 is: 212,161.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,954.04 : 368,361 = 153,754.92 : x
  2. Step 2: Convert to fraction form
    266,954.04/368,361 = 153,754.92/x
  3. Step 3: Cross multiply
    266,954.04x = 368,361 × 153,754.92
  4. Step 4: Simplify right side
    266,954.04x = 56,637,316,086.12
  5. Step 5: Solve for x
    x = 56,637,316,086.12/266,954.04
  6. Step 6: Final answer
    x = 212,161.30

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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.