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Finding the Fourth Proportional to 245,917.34, 368,677.08 and 103,670.67

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Solution

The fourth proportional to 245,917.34, 368,677.08 and 103,670.67 is: 155,422.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,917.34 : 368,677.08 = 103,670.67 : x
  2. Step 2: Convert to fraction form
    245,917.34/368,677.08 = 103,670.67/x
  3. Step 3: Cross multiply
    245,917.34x = 368,677.08 × 103,670.67
  4. Step 4: Simplify right side
    245,917.34x = 38,220,999,897.24
  5. Step 5: Solve for x
    x = 38,220,999,897.24/245,917.34
  6. Step 6: Final answer
    x = 155,422.15

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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.