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Finding the Fourth Proportional to 132,870.84, 183,412.95 and 97,343.04

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Solution

The fourth proportional to 132,870.84, 183,412.95 and 97,343.04 is: 134,370.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,870.84 : 183,412.95 = 97,343.04 : x
  2. Step 2: Convert to fraction form
    132,870.84/183,412.95 = 97,343.04/x
  3. Step 3: Cross multiply
    132,870.84x = 183,412.95 × 97,343.04
  4. Step 4: Simplify right side
    132,870.84x = 17,853,974,128.37
  5. Step 5: Solve for x
    x = 17,853,974,128.37/132,870.84
  6. Step 6: Final answer
    x = 134,370.90

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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.