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Finding the Fourth Proportional to 186,952.80, 257,852.40 and 118,980.96

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Solution

The fourth proportional to 186,952.80, 257,852.40 and 118,980.96 is: 164,103.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,952.80 : 257,852.40 = 118,980.96 : x
  2. Step 2: Convert to fraction form
    186,952.80/257,852.40 = 118,980.96/x
  3. Step 3: Cross multiply
    186,952.80x = 257,852.40 × 118,980.96
  4. Step 4: Simplify right side
    186,952.80x = 30,679,526,090.30
  5. Step 5: Solve for x
    x = 30,679,526,090.30/186,952.80
  6. Step 6: Final answer
    x = 164,103.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.