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Finding the Fourth Proportional to 97,636, 134,730.08 and 59,390.40

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Solution

The fourth proportional to 97,636, 134,730.08 and 59,390.40 is: 81,954.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,636 : 134,730.08 = 59,390.40 : x
  2. Step 2: Convert to fraction form
    97,636/134,730.08 = 59,390.40/x
  3. Step 3: Cross multiply
    97,636x = 134,730.08 × 59,390.40
  4. Step 4: Simplify right side
    97,636x = 8,001,673,343.23
  5. Step 5: Solve for x
    x = 8,001,673,343.23/97,636
  6. Step 6: Final answer
    x = 81,954.13

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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.