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Finding the Fourth Proportional to 94,201,366.51, 129,978,832.57 and 55,035,579.07

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Solution

The fourth proportional to 94,201,366.51, 129,978,832.57 and 55,035,579.07 is: 75,937,967.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,201,366.51 : 129,978,832.57 = 55,035,579.07 : x
  2. Step 2: Convert to fraction form
    94,201,366.51/129,978,832.57 = 55,035,579.07/x
  3. Step 3: Cross multiply
    94,201,366.51x = 129,978,832.57 × 55,035,579.07
  4. Step 4: Simplify right side
    94,201,366.51x = 7,153,460,317,332,526
  5. Step 5: Solve for x
    x = 7,153,460,317,332,526/94,201,366.51
  6. Step 6: Final answer
    x = 75,937,967.59

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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.