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Finding the Fourth Proportional to 103,703.32, 155,409.16 and 59,263.48

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Solution

The fourth proportional to 103,703.32, 155,409.16 and 59,263.48 is: 88,811.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,703.32 : 155,409.16 = 59,263.48 : x
  2. Step 2: Convert to fraction form
    103,703.32/155,409.16 = 59,263.48/x
  3. Step 3: Cross multiply
    103,703.32x = 155,409.16 × 59,263.48
  4. Step 4: Simplify right side
    103,703.32x = 9,210,087,645.48
  5. Step 5: Solve for x
    x = 9,210,087,645.48/103,703.32
  6. Step 6: Final answer
    x = 88,811.89

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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.