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Finding the Fourth Proportional to 134,368.76, 201,419.40 and 64,166

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Solution

The fourth proportional to 134,368.76, 201,419.40 and 64,166 is: 96,185.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,368.76 : 201,419.40 = 64,166 : x
  2. Step 2: Convert to fraction form
    134,368.76/201,419.40 = 64,166/x
  3. Step 3: Cross multiply
    134,368.76x = 201,419.40 × 64,166
  4. Step 4: Simplify right side
    134,368.76x = 12,924,277,220.40
  5. Step 5: Solve for x
    x = 12,924,277,220.40/134,368.76
  6. Step 6: Final answer
    x = 96,185.13

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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.