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Finding the Fourth Proportional to 155,103.46, 232,656.40 and 84,944.50

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Solution

The fourth proportional to 155,103.46, 232,656.40 and 84,944.50 is: 127,417.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,103.46 : 232,656.40 = 84,944.50 : x
  2. Step 2: Convert to fraction form
    155,103.46/232,656.40 = 84,944.50/x
  3. Step 3: Cross multiply
    155,103.46x = 232,656.40 × 84,944.50
  4. Step 4: Simplify right side
    155,103.46x = 19,762,881,094.34
  5. Step 5: Solve for x
    x = 19,762,881,094.34/155,103.46
  6. Step 6: Final answer
    x = 127,417.41

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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.