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Finding the Fourth Proportional to 153,814.88, 230,725.98 and 60,320.63

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Solution

The fourth proportional to 153,814.88, 230,725.98 and 60,320.63 is: 90,482.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,814.88 : 230,725.98 = 60,320.63 : x
  2. Step 2: Convert to fraction form
    153,814.88/230,725.98 = 60,320.63/x
  3. Step 3: Cross multiply
    153,814.88x = 230,725.98 × 60,320.63
  4. Step 4: Simplify right side
    153,814.88x = 13,917,535,317.34
  5. Step 5: Solve for x
    x = 13,917,535,317.34/153,814.88
  6. Step 6: Final answer
    x = 90,482.38

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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.