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Finding the Fourth Proportional to 292,529.89, 438,794.88 and 70,913.89

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Solution

The fourth proportional to 292,529.89, 438,794.88 and 70,913.89 is: 106,370.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,529.89 : 438,794.88 = 70,913.89 : x
  2. Step 2: Convert to fraction form
    292,529.89/438,794.88 = 70,913.89/x
  3. Step 3: Cross multiply
    292,529.89x = 438,794.88 × 70,913.89
  4. Step 4: Simplify right side
    292,529.89x = 31,116,651,852.88
  5. Step 5: Solve for x
    x = 31,116,651,852.88/292,529.89
  6. Step 6: Final answer
    x = 106,370.85

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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.