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Finding the Fourth Proportional to 152,507.63, 210,410.12 and 92,055.31

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Solution

The fourth proportional to 152,507.63, 210,410.12 and 92,055.31 is: 127,005.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,507.63 : 210,410.12 = 92,055.31 : x
  2. Step 2: Convert to fraction form
    152,507.63/210,410.12 = 92,055.31/x
  3. Step 3: Cross multiply
    152,507.63x = 210,410.12 × 92,055.31
  4. Step 4: Simplify right side
    152,507.63x = 19,369,368,527.85
  5. Step 5: Solve for x
    x = 19,369,368,527.85/152,507.63
  6. Step 6: Final answer
    x = 127,005.90

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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.