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Finding the Fourth Proportional to 64,690,905.51, 89,277,065.01 and 35,324,963.01

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Solution

The fourth proportional to 64,690,905.51, 89,277,065.01 and 35,324,963.01 is: 48,750,423.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,690,905.51 : 89,277,065.01 = 35,324,963.01 : x
  2. Step 2: Convert to fraction form
    64,690,905.51/89,277,065.01 = 35,324,963.01/x
  3. Step 3: Cross multiply
    64,690,905.51x = 89,277,065.01 × 35,324,963.01
  4. Step 4: Simplify right side
    64,690,905.51x = 3,153,709,019,119,615.50
  5. Step 5: Solve for x
    x = 3,153,709,019,119,615.50/64,690,905.51
  6. Step 6: Final answer
    x = 48,750,423.17

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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.