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Finding the Fourth Proportional to 213,125.32, 319,740.59 and 63,364.96

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Solution

The fourth proportional to 213,125.32, 319,740.59 and 63,364.96 is: 95,063.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,125.32 : 319,740.59 = 63,364.96 : x
  2. Step 2: Convert to fraction form
    213,125.32/319,740.59 = 63,364.96/x
  3. Step 3: Cross multiply
    213,125.32x = 319,740.59 × 63,364.96
  4. Step 4: Simplify right side
    213,125.32x = 20,260,349,054.79
  5. Step 5: Solve for x
    x = 20,260,349,054.79/213,125.32
  6. Step 6: Final answer
    x = 95,063.08

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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.