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Finding the Fourth Proportional to 182,678.40, 274,017.60 and 168,681.60

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Solution

The fourth proportional to 182,678.40, 274,017.60 and 168,681.60 is: 253,022.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,678.40 : 274,017.60 = 168,681.60 : x
  2. Step 2: Convert to fraction form
    182,678.40/274,017.60 = 168,681.60/x
  3. Step 3: Cross multiply
    182,678.40x = 274,017.60 × 168,681.60
  4. Step 4: Simplify right side
    182,678.40x = 46,221,727,196.16
  5. Step 5: Solve for x
    x = 46,221,727,196.16/182,678.40
  6. Step 6: Final answer
    x = 253,022.40

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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.