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Finding the Fourth Proportional to 114,804.80, 158,507.95 and 102,667.64

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Solution

The fourth proportional to 114,804.80, 158,507.95 and 102,667.64 is: 141,750.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,804.80 : 158,507.95 = 102,667.64 : x
  2. Step 2: Convert to fraction form
    114,804.80/158,507.95 = 102,667.64/x
  3. Step 3: Cross multiply
    114,804.80x = 158,507.95 × 102,667.64
  4. Step 4: Simplify right side
    114,804.80x = 16,273,637,287.34
  5. Step 5: Solve for x
    x = 16,273,637,287.34/114,804.80
  6. Step 6: Final answer
    x = 141,750.49

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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.