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Finding the Fourth Proportional to 236,041.01, 325,732.48 and 128,611.93

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Solution

The fourth proportional to 236,041.01, 325,732.48 and 128,611.93 is: 177,482.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,041.01 : 325,732.48 = 128,611.93 : x
  2. Step 2: Convert to fraction form
    236,041.01/325,732.48 = 128,611.93/x
  3. Step 3: Cross multiply
    236,041.01x = 325,732.48 × 128,611.93
  4. Step 4: Simplify right side
    236,041.01x = 41,893,082,916.49
  5. Step 5: Solve for x
    x = 41,893,082,916.49/236,041.01
  6. Step 6: Final answer
    x = 177,482.22

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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.