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Finding the Fourth Proportional to 149,663.15, 224,486.52 and 90,482.93

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Solution

The fourth proportional to 149,663.15, 224,486.52 and 90,482.93 is: 135,719.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,663.15 : 224,486.52 = 90,482.93 : x
  2. Step 2: Convert to fraction form
    149,663.15/224,486.52 = 90,482.93/x
  3. Step 3: Cross multiply
    149,663.15x = 224,486.52 × 90,482.93
  4. Step 4: Simplify right side
    149,663.15x = 20,312,197,455.18
  5. Step 5: Solve for x
    x = 20,312,197,455.18/149,663.15
  6. Step 6: Final answer
    x = 135,719.43

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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.