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Finding the Fourth Proportional to 97,785.55, 137,096.60 and 97,785.55

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Solution

The fourth proportional to 97,785.55, 137,096.60 and 97,785.55 is: 137,096.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,785.55 : 137,096.60 = 97,785.55 : x
  2. Step 2: Convert to fraction form
    97,785.55/137,096.60 = 97,785.55/x
  3. Step 3: Cross multiply
    97,785.55x = 137,096.60 × 97,785.55
  4. Step 4: Simplify right side
    97,785.55x = 13,406,066,434.13
  5. Step 5: Solve for x
    x = 13,406,066,434.13/97,785.55
  6. Step 6: Final answer
    x = 137,096.60

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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.