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Finding the Fourth Proportional to 145,020.60, 217,466.10 and 56,244.60

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Solution

The fourth proportional to 145,020.60, 217,466.10 and 56,244.60 is: 84,341.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,020.60 : 217,466.10 = 56,244.60 : x
  2. Step 2: Convert to fraction form
    145,020.60/217,466.10 = 56,244.60/x
  3. Step 3: Cross multiply
    145,020.60x = 217,466.10 × 56,244.60
  4. Step 4: Simplify right side
    145,020.60x = 12,231,293,808.06
  5. Step 5: Solve for x
    x = 12,231,293,808.06/145,020.60
  6. Step 6: Final answer
    x = 84,341.77

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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.