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Finding the Fourth Proportional to 250,090.32, 345,124.59 and 135,368.94

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Solution

The fourth proportional to 250,090.32, 345,124.59 and 135,368.94 is: 186,809.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,090.32 : 345,124.59 = 135,368.94 : x
  2. Step 2: Convert to fraction form
    250,090.32/345,124.59 = 135,368.94/x
  3. Step 3: Cross multiply
    250,090.32x = 345,124.59 × 135,368.94
  4. Step 4: Simplify right side
    250,090.32x = 46,719,147,513.77
  5. Step 5: Solve for x
    x = 46,719,147,513.77/250,090.32
  6. Step 6: Final answer
    x = 186,809.10

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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.