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Finding the Fourth Proportional to 134,667.80, 202,001.70 and 113,931.80

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Solution

The fourth proportional to 134,667.80, 202,001.70 and 113,931.80 is: 170,897.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,667.80 : 202,001.70 = 113,931.80 : x
  2. Step 2: Convert to fraction form
    134,667.80/202,001.70 = 113,931.80/x
  3. Step 3: Cross multiply
    134,667.80x = 202,001.70 × 113,931.80
  4. Step 4: Simplify right side
    134,667.80x = 23,014,417,284.06
  5. Step 5: Solve for x
    x = 23,014,417,284.06/134,667.80
  6. Step 6: Final answer
    x = 170,897.70

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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.