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Finding the Fourth Proportional to 133,599.86, 184,368.05 and 72,346.71

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Solution

The fourth proportional to 133,599.86, 184,368.05 and 72,346.71 is: 99,838.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,599.86 : 184,368.05 = 72,346.71 : x
  2. Step 2: Convert to fraction form
    133,599.86/184,368.05 = 72,346.71/x
  3. Step 3: Cross multiply
    133,599.86x = 184,368.05 × 72,346.71
  4. Step 4: Simplify right side
    133,599.86x = 13,338,421,484.88
  5. Step 5: Solve for x
    x = 13,338,421,484.88/133,599.86
  6. Step 6: Final answer
    x = 99,838.59

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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.