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Finding the Fourth Proportional to 132,955.84, 183,482.51 and 72,527.50

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Solution

The fourth proportional to 132,955.84, 183,482.51 and 72,527.50 is: 100,089.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,955.84 : 183,482.51 = 72,527.50 : x
  2. Step 2: Convert to fraction form
    132,955.84/183,482.51 = 72,527.50/x
  3. Step 3: Cross multiply
    132,955.84x = 183,482.51 × 72,527.50
  4. Step 4: Simplify right side
    132,955.84x = 13,307,527,744.03
  5. Step 5: Solve for x
    x = 13,307,527,744.03/132,955.84
  6. Step 6: Final answer
    x = 100,089.83

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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.