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Finding the Fourth Proportional to 152,574, 210,552.24 and 92,958

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Solution

The fourth proportional to 152,574, 210,552.24 and 92,958 is: 128,282.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,574 : 210,552.24 = 92,958 : x
  2. Step 2: Convert to fraction form
    152,574/210,552.24 = 92,958/x
  3. Step 3: Cross multiply
    152,574x = 210,552.24 × 92,958
  4. Step 4: Simplify right side
    152,574x = 19,572,515,125.92
  5. Step 5: Solve for x
    x = 19,572,515,125.92/152,574
  6. Step 6: Final answer
    x = 128,282.11

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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.