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Finding the Fourth Proportional to 197,307.60, 295,999.80 and 84,987.60

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Solution

The fourth proportional to 197,307.60, 295,999.80 and 84,987.60 is: 127,497.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,307.60 : 295,999.80 = 84,987.60 : x
  2. Step 2: Convert to fraction form
    197,307.60/295,999.80 = 84,987.60/x
  3. Step 3: Cross multiply
    197,307.60x = 295,999.80 × 84,987.60
  4. Step 4: Simplify right side
    197,307.60x = 25,156,312,602.48
  5. Step 5: Solve for x
    x = 25,156,312,602.48/197,307.60
  6. Step 6: Final answer
    x = 127,497.94

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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.