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Finding the Fourth Proportional to 154,090.77, 230,007.74 and 135,890.10

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Solution

The fourth proportional to 154,090.77, 230,007.74 and 135,890.10 is: 202,840.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,090.77 : 230,007.74 = 135,890.10 : x
  2. Step 2: Convert to fraction form
    154,090.77/230,007.74 = 135,890.10/x
  3. Step 3: Cross multiply
    154,090.77x = 230,007.74 × 135,890.10
  4. Step 4: Simplify right side
    154,090.77x = 31,255,774,332.00
  5. Step 5: Solve for x
    x = 31,255,774,332.00/154,090.77
  6. Step 6: Final answer
    x = 202,840.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.