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Finding the Fourth Proportional to 153,346.80, 230,106.60 and 59,840.40

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Solution

The fourth proportional to 153,346.80, 230,106.60 and 59,840.40 is: 89,794.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,346.80 : 230,106.60 = 59,840.40 : x
  2. Step 2: Convert to fraction form
    153,346.80/230,106.60 = 59,840.40/x
  3. Step 3: Cross multiply
    153,346.80x = 230,106.60 × 59,840.40
  4. Step 4: Simplify right side
    153,346.80x = 13,769,670,986.64
  5. Step 5: Solve for x
    x = 13,769,670,986.64/153,346.80
  6. Step 6: Final answer
    x = 89,794.32

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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.