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Finding the Fourth Proportional to 186,323.60, 279,485.40 and 169,702.40

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Solution

The fourth proportional to 186,323.60, 279,485.40 and 169,702.40 is: 254,553.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,323.60 : 279,485.40 = 169,702.40 : x
  2. Step 2: Convert to fraction form
    186,323.60/279,485.40 = 169,702.40/x
  3. Step 3: Cross multiply
    186,323.60x = 279,485.40 × 169,702.40
  4. Step 4: Simplify right side
    186,323.60x = 47,429,343,144.96
  5. Step 5: Solve for x
    x = 47,429,343,144.96/186,323.60
  6. Step 6: Final answer
    x = 254,553.60

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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.