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Finding the Fourth Proportional to 103,599,894.80, 155,455,829.40 and 46,101,040.40

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Solution

The fourth proportional to 103,599,894.80, 155,455,829.40 and 46,101,040.40 is: 69,176,474.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,599,894.80 : 155,455,829.40 = 46,101,040.40 : x
  2. Step 2: Convert to fraction form
    103,599,894.80/155,455,829.40 = 46,101,040.40/x
  3. Step 3: Cross multiply
    103,599,894.80x = 155,455,829.40 × 46,101,040.40
  4. Step 4: Simplify right side
    103,599,894.80x = 7,166,675,471,584,908
  5. Step 5: Solve for x
    x = 7,166,675,471,584,908/103,599,894.80
  6. Step 6: Final answer
    x = 69,176,474.41

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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.