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Finding the Fourth Proportional to 43,349,054.84, 64,978,065.66 and 14,585,205.32

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Solution

The fourth proportional to 43,349,054.84, 64,978,065.66 and 14,585,205.32 is: 21,862,493.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,349,054.84 : 64,978,065.66 = 14,585,205.32 : x
  2. Step 2: Convert to fraction form
    43,349,054.84/64,978,065.66 = 14,585,205.32/x
  3. Step 3: Cross multiply
    43,349,054.84x = 64,978,065.66 × 14,585,205.32
  4. Step 4: Simplify right side
    43,349,054.84x = 947,718,428,947,541.25
  5. Step 5: Solve for x
    x = 947,718,428,947,541.25/43,349,054.84
  6. Step 6: Final answer
    x = 21,862,493.48

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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.