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Finding the Fourth Proportional to 73,258,006.80, 109,792,531.80 and 56,133,796.80

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Solution

The fourth proportional to 73,258,006.80, 109,792,531.80 and 56,133,796.80 is: 84,128,301.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,258,006.80 : 109,792,531.80 = 56,133,796.80 : x
  2. Step 2: Convert to fraction form
    73,258,006.80/109,792,531.80 = 56,133,796.80/x
  3. Step 3: Cross multiply
    73,258,006.80x = 109,792,531.80 × 56,133,796.80
  4. Step 4: Simplify right side
    73,258,006.80x = 6,163,071,670,218,738
  5. Step 5: Solve for x
    x = 6,163,071,670,218,738/73,258,006.80
  6. Step 6: Final answer
    x = 84,128,301.32

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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.