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Finding the Fourth Proportional to 125,670.34, 173,246.61 and 99,951.22

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Solution

The fourth proportional to 125,670.34, 173,246.61 and 99,951.22 is: 137,790.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,670.34 : 173,246.61 = 99,951.22 : x
  2. Step 2: Convert to fraction form
    125,670.34/173,246.61 = 99,951.22/x
  3. Step 3: Cross multiply
    125,670.34x = 173,246.61 × 99,951.22
  4. Step 4: Simplify right side
    125,670.34x = 17,316,210,030.36
  5. Step 5: Solve for x
    x = 17,316,210,030.36/125,670.34
  6. Step 6: Final answer
    x = 137,790.75

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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.