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Finding the Fourth Proportional to 190,702.80, 286,054.20 and 146,552.40

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Solution

The fourth proportional to 190,702.80, 286,054.20 and 146,552.40 is: 219,828.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,702.80 : 286,054.20 = 146,552.40 : x
  2. Step 2: Convert to fraction form
    190,702.80/286,054.20 = 146,552.40/x
  3. Step 3: Cross multiply
    190,702.80x = 286,054.20 × 146,552.40
  4. Step 4: Simplify right side
    190,702.80x = 41,921,929,540.08
  5. Step 5: Solve for x
    x = 41,921,929,540.08/190,702.80
  6. Step 6: Final answer
    x = 219,828.60

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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.