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Finding the Fourth Proportional to 97,065.79, 133,950.52 and 54,624.32

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Solution

The fourth proportional to 97,065.79, 133,950.52 and 54,624.32 is: 75,381.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,065.79 : 133,950.52 = 54,624.32 : x
  2. Step 2: Convert to fraction form
    97,065.79/133,950.52 = 54,624.32/x
  3. Step 3: Cross multiply
    97,065.79x = 133,950.52 × 54,624.32
  4. Step 4: Simplify right side
    97,065.79x = 7,316,956,068.65
  5. Step 5: Solve for x
    x = 7,316,956,068.65/97,065.79
  6. Step 6: Final answer
    x = 75,381.41

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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.