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Finding the Fourth Proportional to 65,969,277.40, 98,953,916.10 and 43,011,026.20

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Solution

The fourth proportional to 65,969,277.40, 98,953,916.10 and 43,011,026.20 is: 64,516,539.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,969,277.40 : 98,953,916.10 = 43,011,026.20 : x
  2. Step 2: Convert to fraction form
    65,969,277.40/98,953,916.10 = 43,011,026.20/x
  3. Step 3: Cross multiply
    65,969,277.40x = 98,953,916.10 × 43,011,026.20
  4. Step 4: Simplify right side
    65,969,277.40x = 4,256,109,477,969,702
  5. Step 5: Solve for x
    x = 4,256,109,477,969,702/65,969,277.40
  6. Step 6: Final answer
    x = 64,516,539.30

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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.