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Finding the Fourth Proportional to 152,503.78, 210,404.78 and 92,051.46

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Solution

The fourth proportional to 152,503.78, 210,404.78 and 92,051.46 is: 127,000.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,503.78 : 210,404.78 = 92,051.46 : x
  2. Step 2: Convert to fraction form
    152,503.78/210,404.78 = 92,051.46/x
  3. Step 3: Cross multiply
    152,503.78x = 210,404.78 × 92,051.46
  4. Step 4: Simplify right side
    152,503.78x = 19,368,067,189.98
  5. Step 5: Solve for x
    x = 19,368,067,189.98/152,503.78
  6. Step 6: Final answer
    x = 127,000.57

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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.