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Finding the Fourth Proportional to 180,009.48, 270,014.34 and 46,889.40

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Solution

The fourth proportional to 180,009.48, 270,014.34 and 46,889.40 is: 70,334.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,009.48 : 270,014.34 = 46,889.40 : x
  2. Step 2: Convert to fraction form
    180,009.48/270,014.34 = 46,889.40/x
  3. Step 3: Cross multiply
    180,009.48x = 270,014.34 × 46,889.40
  4. Step 4: Simplify right side
    180,009.48x = 12,660,810,394.00
  5. Step 5: Solve for x
    x = 12,660,810,394.00/180,009.48
  6. Step 6: Final answer
    x = 70,334.13

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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.