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Finding the Fourth Proportional to 145,637.44, 218,541.08 and 61,392.45

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Solution

The fourth proportional to 145,637.44, 218,541.08 and 61,392.45 is: 92,124.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,637.44 : 218,541.08 = 61,392.45 : x
  2. Step 2: Convert to fraction form
    145,637.44/218,541.08 = 61,392.45/x
  3. Step 3: Cross multiply
    145,637.44x = 218,541.08 × 61,392.45
  4. Step 4: Simplify right side
    145,637.44x = 13,416,772,326.85
  5. Step 5: Solve for x
    x = 13,416,772,326.85/145,637.44
  6. Step 6: Final answer
    x = 92,124.47

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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.