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Finding the Fourth Proportional to 156,303.54, 234,454.53 and 56,463.66

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Solution

The fourth proportional to 156,303.54, 234,454.53 and 56,463.66 is: 84,695.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,303.54 : 234,454.53 = 56,463.66 : x
  2. Step 2: Convert to fraction form
    156,303.54/234,454.53 = 56,463.66/x
  3. Step 3: Cross multiply
    156,303.54x = 234,454.53 × 56,463.66
  4. Step 4: Simplify right side
    156,303.54x = 13,238,160,867.38
  5. Step 5: Solve for x
    x = 13,238,160,867.38/156,303.54
  6. Step 6: Final answer
    x = 84,695.21

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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.