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Finding the Fourth Proportional to 292,485.36, 438,640.86 and 124,002.98

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Solution

The fourth proportional to 292,485.36, 438,640.86 and 124,002.98 is: 185,967.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,485.36 : 438,640.86 = 124,002.98 : x
  2. Step 2: Convert to fraction form
    292,485.36/438,640.86 = 124,002.98/x
  3. Step 3: Cross multiply
    292,485.36x = 438,640.86 × 124,002.98
  4. Step 4: Simplify right side
    292,485.36x = 54,392,774,886.36
  5. Step 5: Solve for x
    x = 54,392,774,886.36/292,485.36
  6. Step 6: Final answer
    x = 185,967.51

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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.