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Finding the Fourth Proportional to 104,362.83, 144,018.68 and 59,039.01

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Solution

The fourth proportional to 104,362.83, 144,018.68 and 59,039.01 is: 81,472.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,362.83 : 144,018.68 = 59,039.01 : x
  2. Step 2: Convert to fraction form
    104,362.83/144,018.68 = 59,039.01/x
  3. Step 3: Cross multiply
    104,362.83x = 144,018.68 × 59,039.01
  4. Step 4: Simplify right side
    104,362.83x = 8,502,719,993.51
  5. Step 5: Solve for x
    x = 8,502,719,993.51/104,362.83
  6. Step 6: Final answer
    x = 81,472.69

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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.