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Finding the Fourth Proportional to 152,651.01, 210,414.98 and 120,332.93

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Solution

The fourth proportional to 152,651.01, 210,414.98 and 120,332.93 is: 165,867.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,651.01 : 210,414.98 = 120,332.93 : x
  2. Step 2: Convert to fraction form
    152,651.01/210,414.98 = 120,332.93/x
  3. Step 3: Cross multiply
    152,651.01x = 210,414.98 × 120,332.93
  4. Step 4: Simplify right side
    152,651.01x = 25,319,849,405.55
  5. Step 5: Solve for x
    x = 25,319,849,405.55/152,651.01
  6. Step 6: Final answer
    x = 165,867.55

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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.