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Finding the Fourth Proportional to 374,804.64, 562,206.96 and 108,565.25

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Solution

The fourth proportional to 374,804.64, 562,206.96 and 108,565.25 is: 162,847.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,804.64 : 562,206.96 = 108,565.25 : x
  2. Step 2: Convert to fraction form
    374,804.64/562,206.96 = 108,565.25/x
  3. Step 3: Cross multiply
    374,804.64x = 562,206.96 × 108,565.25
  4. Step 4: Simplify right side
    374,804.64x = 61,036,136,353.11
  5. Step 5: Solve for x
    x = 61,036,136,353.11/374,804.64
  6. Step 6: Final answer
    x = 162,847.87

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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.