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Finding the Fourth Proportional to 64,980,709.60, 97,471,064.40 and 26,669,718.40

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Solution

The fourth proportional to 64,980,709.60, 97,471,064.40 and 26,669,718.40 is: 40,004,577.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,980,709.60 : 97,471,064.40 = 26,669,718.40 : x
  2. Step 2: Convert to fraction form
    64,980,709.60/97,471,064.40 = 26,669,718.40/x
  3. Step 3: Cross multiply
    64,980,709.60x = 97,471,064.40 × 26,669,718.40
  4. Step 4: Simplify right side
    64,980,709.60x = 2,599,525,839,696,265
  5. Step 5: Solve for x
    x = 2,599,525,839,696,265/64,980,709.60
  6. Step 6: Final answer
    x = 40,004,577.60

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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.