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Finding the Fourth Proportional to 97,438, 134,464.80 and 52,726

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Solution

The fourth proportional to 97,438, 134,464.80 and 52,726 is: 72,762.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,438 : 134,464.80 = 52,726 : x
  2. Step 2: Convert to fraction form
    97,438/134,464.80 = 52,726/x
  3. Step 3: Cross multiply
    97,438x = 134,464.80 × 52,726
  4. Step 4: Simplify right side
    97,438x = 7,089,791,044.80
  5. Step 5: Solve for x
    x = 7,089,791,044.80/97,438
  6. Step 6: Final answer
    x = 72,762.07

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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.