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Finding the Fourth Proportional to 101,065.40, 151,598.10 and 30,935.60

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Solution

The fourth proportional to 101,065.40, 151,598.10 and 30,935.60 is: 46,403.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,065.40 : 151,598.10 = 30,935.60 : x
  2. Step 2: Convert to fraction form
    101,065.40/151,598.10 = 30,935.60/x
  3. Step 3: Cross multiply
    101,065.40x = 151,598.10 × 30,935.60
  4. Step 4: Simplify right side
    101,065.40x = 4,689,778,182.36
  5. Step 5: Solve for x
    x = 4,689,778,182.36/101,065.40
  6. Step 6: Final answer
    x = 46,403.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.