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Finding the Fourth Proportional to 224,655.73, 310,030.13 and 122,681.89

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Solution

The fourth proportional to 224,655.73, 310,030.13 and 122,681.89 is: 169,303.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,655.73 : 310,030.13 = 122,681.89 : x
  2. Step 2: Convert to fraction form
    224,655.73/310,030.13 = 122,681.89/x
  3. Step 3: Cross multiply
    224,655.73x = 310,030.13 × 122,681.89
  4. Step 4: Simplify right side
    224,655.73x = 38,035,082,999.59
  5. Step 5: Solve for x
    x = 38,035,082,999.59/224,655.73
  6. Step 6: Final answer
    x = 169,303.87

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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.