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Finding the Fourth Proportional to 237,686.40, 356,356.80 and 97,372.80

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Solution

The fourth proportional to 237,686.40, 356,356.80 and 97,372.80 is: 145,988.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,686.40 : 356,356.80 = 97,372.80 : x
  2. Step 2: Convert to fraction form
    237,686.40/356,356.80 = 97,372.80/x
  3. Step 3: Cross multiply
    237,686.40x = 356,356.80 × 97,372.80
  4. Step 4: Simplify right side
    237,686.40x = 34,699,459,415.04
  5. Step 5: Solve for x
    x = 34,699,459,415.04/237,686.40
  6. Step 6: Final answer
    x = 145,988.41

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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.