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Finding the Fourth Proportional to 173,605.43, 239,597.58 and 97,128.81

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Solution

The fourth proportional to 173,605.43, 239,597.58 and 97,128.81 is: 134,050.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,605.43 : 239,597.58 = 97,128.81 : x
  2. Step 2: Convert to fraction form
    173,605.43/239,597.58 = 97,128.81/x
  3. Step 3: Cross multiply
    173,605.43x = 239,597.58 × 97,128.81
  4. Step 4: Simplify right side
    173,605.43x = 23,271,827,824.28
  5. Step 5: Solve for x
    x = 23,271,827,824.28/173,605.43
  6. Step 6: Final answer
    x = 134,050.12

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1.5x scale

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.