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Finding the Fourth Proportional to 158,653.76, 237,656.64 and 88,570.40

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Solution

The fourth proportional to 158,653.76, 237,656.64 and 88,570.40 is: 132,674.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,653.76 : 237,656.64 = 88,570.40 : x
  2. Step 2: Convert to fraction form
    158,653.76/237,656.64 = 88,570.40/x
  3. Step 3: Cross multiply
    158,653.76x = 237,656.64 × 88,570.40
  4. Step 4: Simplify right side
    158,653.76x = 21,049,343,667.46
  5. Step 5: Solve for x
    x = 21,049,343,667.46/158,653.76
  6. Step 6: Final answer
    x = 132,674.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.