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Finding the Fourth Proportional to 210,345.94, 315,518.91 and 62,601.94

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Solution

The fourth proportional to 210,345.94, 315,518.91 and 62,601.94 is: 93,902.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,345.94 : 315,518.91 = 62,601.94 : x
  2. Step 2: Convert to fraction form
    210,345.94/315,518.91 = 62,601.94/x
  3. Step 3: Cross multiply
    210,345.94x = 315,518.91 × 62,601.94
  4. Step 4: Simplify right side
    210,345.94x = 19,752,094,849.13
  5. Step 5: Solve for x
    x = 19,752,094,849.13/210,345.94
  6. Step 6: Final answer
    x = 93,902.91

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1.5x scale

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.