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Finding the Fourth Proportional to 255,062.14, 351,988.72 and 146,164.32

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Solution

The fourth proportional to 255,062.14, 351,988.72 and 146,164.32 is: 201,708.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,062.14 : 351,988.72 = 146,164.32 : x
  2. Step 2: Convert to fraction form
    255,062.14/351,988.72 = 146,164.32/x
  3. Step 3: Cross multiply
    255,062.14x = 351,988.72 × 146,164.32
  4. Step 4: Simplify right side
    255,062.14x = 51,448,191,541.06
  5. Step 5: Solve for x
    x = 51,448,191,541.06/255,062.14
  6. Step 6: Final answer
    x = 201,708.46

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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.