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Finding the Fourth Proportional to 153,703.44, 230,590.80 and 60,210

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Solution

The fourth proportional to 153,703.44, 230,590.80 and 60,210 is: 90,328.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,703.44 : 230,590.80 = 60,210 : x
  2. Step 2: Convert to fraction form
    153,703.44/230,590.80 = 60,210/x
  3. Step 3: Cross multiply
    153,703.44x = 230,590.80 × 60,210
  4. Step 4: Simplify right side
    153,703.44x = 13,883,872,068
  5. Step 5: Solve for x
    x = 13,883,872,068/153,703.44
  6. Step 6: Final answer
    x = 90,328.96

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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.