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Finding the Fourth Proportional to 210,320.04, 315,482.79 and 60,562.79

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Solution

The fourth proportional to 210,320.04, 315,482.79 and 60,562.79 is: 90,844.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,320.04 : 315,482.79 = 60,562.79 : x
  2. Step 2: Convert to fraction form
    210,320.04/315,482.79 = 60,562.79/x
  3. Step 3: Cross multiply
    210,320.04x = 315,482.79 × 60,562.79
  4. Step 4: Simplify right side
    210,320.04x = 19,106,516,381.97
  5. Step 5: Solve for x
    x = 19,106,516,381.97/210,320.04
  6. Step 6: Final answer
    x = 90,844.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.