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Finding the Fourth Proportional to 250,089.95, 375,205.16 and 100,435.32

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Solution

The fourth proportional to 250,089.95, 375,205.16 and 100,435.32 is: 150,681.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,089.95 : 375,205.16 = 100,435.32 : x
  2. Step 2: Convert to fraction form
    250,089.95/375,205.16 = 100,435.32/x
  3. Step 3: Cross multiply
    250,089.95x = 375,205.16 × 100,435.32
  4. Step 4: Simplify right side
    250,089.95x = 37,683,850,561.34
  5. Step 5: Solve for x
    x = 37,683,850,561.34/250,089.95
  6. Step 6: Final answer
    x = 150,681.19

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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.