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Finding the Fourth Proportional to 97,615.60, 146,131.80 and 58,152.40

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Solution

The fourth proportional to 97,615.60, 146,131.80 and 58,152.40 is: 87,054.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,615.60 : 146,131.80 = 58,152.40 : x
  2. Step 2: Convert to fraction form
    97,615.60/146,131.80 = 58,152.40/x
  3. Step 3: Cross multiply
    97,615.60x = 146,131.80 × 58,152.40
  4. Step 4: Simplify right side
    97,615.60x = 8,497,914,886.32
  5. Step 5: Solve for x
    x = 8,497,914,886.32/97,615.60
  6. Step 6: Final answer
    x = 87,054.89

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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.