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Finding the Fourth Proportional to 173,681.55, 243,679.05 and 173,681.55

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Solution

The fourth proportional to 173,681.55, 243,679.05 and 173,681.55 is: 243,679.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,681.55 : 243,679.05 = 173,681.55 : x
  2. Step 2: Convert to fraction form
    173,681.55/243,679.05 = 173,681.55/x
  3. Step 3: Cross multiply
    173,681.55x = 243,679.05 × 173,681.55
  4. Step 4: Simplify right side
    173,681.55x = 42,322,555,106.53
  5. Step 5: Solve for x
    x = 42,322,555,106.53/173,681.55
  6. Step 6: Final answer
    x = 243,679.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.