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Finding the Fourth Proportional to 105,018.33, 144,933.93 and 59,710.59

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Solution

The fourth proportional to 105,018.33, 144,933.93 and 59,710.59 is: 82,405.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,018.33 : 144,933.93 = 59,710.59 : x
  2. Step 2: Convert to fraction form
    105,018.33/144,933.93 = 59,710.59/x
  3. Step 3: Cross multiply
    105,018.33x = 144,933.93 × 59,710.59
  4. Step 4: Simplify right side
    105,018.33x = 8,654,090,471.32
  5. Step 5: Solve for x
    x = 8,654,090,471.32/105,018.33
  6. Step 6: Final answer
    x = 82,405.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.