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Finding the Fourth Proportional to 93,380.61, 140,070.61 and 55,951.93

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Solution

The fourth proportional to 93,380.61, 140,070.61 and 55,951.93 is: 83,927.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,380.61 : 140,070.61 = 55,951.93 : x
  2. Step 2: Convert to fraction form
    93,380.61/140,070.61 = 55,951.93/x
  3. Step 3: Cross multiply
    93,380.61x = 140,070.61 × 55,951.93
  4. Step 4: Simplify right side
    93,380.61x = 7,837,219,985.66
  5. Step 5: Solve for x
    x = 7,837,219,985.66/93,380.61
  6. Step 6: Final answer
    x = 83,927.70

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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.