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Finding the Fourth Proportional to 132,955.64, 183,479.94 and 72,526.53

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Solution

The fourth proportional to 132,955.64, 183,479.94 and 72,526.53 is: 100,087.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,955.64 : 183,479.94 = 72,526.53 : x
  2. Step 2: Convert to fraction form
    132,955.64/183,479.94 = 72,526.53/x
  3. Step 3: Cross multiply
    132,955.64x = 183,479.94 × 72,526.53
  4. Step 4: Simplify right side
    132,955.64x = 13,307,163,010.18
  5. Step 5: Solve for x
    x = 13,307,163,010.18/132,955.64
  6. Step 6: Final answer
    x = 100,087.24

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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.