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Finding the Fourth Proportional to 114,667.60, 172,001.40 and 55,618.60

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Solution

The fourth proportional to 114,667.60, 172,001.40 and 55,618.60 is: 83,427.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,667.60 : 172,001.40 = 55,618.60 : x
  2. Step 2: Convert to fraction form
    114,667.60/172,001.40 = 55,618.60/x
  3. Step 3: Cross multiply
    114,667.60x = 172,001.40 × 55,618.60
  4. Step 4: Simplify right side
    114,667.60x = 9,566,477,066.04
  5. Step 5: Solve for x
    x = 9,566,477,066.04/114,667.60
  6. Step 6: Final answer
    x = 83,427.90

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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.