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Finding the Fourth Proportional to 248,858.55, 372,430.08 and 152,731.98

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Solution

The fourth proportional to 248,858.55, 372,430.08 and 152,731.98 is: 228,571.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,858.55 : 372,430.08 = 152,731.98 : x
  2. Step 2: Convert to fraction form
    248,858.55/372,430.08 = 152,731.98/x
  3. Step 3: Cross multiply
    248,858.55x = 372,430.08 × 152,731.98
  4. Step 4: Simplify right side
    248,858.55x = 56,881,983,529.96
  5. Step 5: Solve for x
    x = 56,881,983,529.96/248,858.55
  6. Step 6: Final answer
    x = 228,571.55

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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.