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Finding the Fourth Proportional to 224,681.62, 310,187.19 and 155,870.50

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Solution

The fourth proportional to 224,681.62, 310,187.19 and 155,870.50 is: 215,189.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,681.62 : 310,187.19 = 155,870.50 : x
  2. Step 2: Convert to fraction form
    224,681.62/310,187.19 = 155,870.50/x
  3. Step 3: Cross multiply
    224,681.62x = 310,187.19 × 155,870.50
  4. Step 4: Simplify right side
    224,681.62x = 48,349,032,398.90
  5. Step 5: Solve for x
    x = 48,349,032,398.90/224,681.62
  6. Step 6: Final answer
    x = 215,189.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.