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Finding the Fourth Proportional to 197,130.40, 295,695.60 and 195,056.80

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Solution

The fourth proportional to 197,130.40, 295,695.60 and 195,056.80 is: 292,585.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,130.40 : 295,695.60 = 195,056.80 : x
  2. Step 2: Convert to fraction form
    197,130.40/295,695.60 = 195,056.80/x
  3. Step 3: Cross multiply
    197,130.40x = 295,695.60 × 195,056.80
  4. Step 4: Simplify right side
    197,130.40x = 57,677,437,510.08
  5. Step 5: Solve for x
    x = 57,677,437,510.08/197,130.40
  6. Step 6: Final answer
    x = 292,585.20

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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.