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Finding the Fourth Proportional to 358,087, 537,130.63 and 91,847.52

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Solution

The fourth proportional to 358,087, 537,130.63 and 91,847.52 is: 137,771.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,087 : 537,130.63 = 91,847.52 : x
  2. Step 2: Convert to fraction form
    358,087/537,130.63 = 91,847.52/x
  3. Step 3: Cross multiply
    358,087x = 537,130.63 × 91,847.52
  4. Step 4: Simplify right side
    358,087x = 49,334,116,281.54
  5. Step 5: Solve for x
    x = 49,334,116,281.54/358,087
  6. Step 6: Final answer
    x = 137,771.31

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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.