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Finding the Fourth Proportional to 127,368, 191,081.16 and 44,262

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Solution

The fourth proportional to 127,368, 191,081.16 and 44,262 is: 66,403.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,368 : 191,081.16 = 44,262 : x
  2. Step 2: Convert to fraction form
    127,368/191,081.16 = 44,262/x
  3. Step 3: Cross multiply
    127,368x = 191,081.16 × 44,262
  4. Step 4: Simplify right side
    127,368x = 8,457,634,303.92
  5. Step 5: Solve for x
    x = 8,457,634,303.92/127,368
  6. Step 6: Final answer
    x = 66,403.13

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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.