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Finding the Fourth Proportional to 264,368, 364,661.52 and 156,861.76

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Solution

The fourth proportional to 264,368, 364,661.52 and 156,861.76 is: 216,370.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,368 : 364,661.52 = 156,861.76 : x
  2. Step 2: Convert to fraction form
    264,368/364,661.52 = 156,861.76/x
  3. Step 3: Cross multiply
    264,368x = 364,661.52 × 156,861.76
  4. Step 4: Simplify right side
    264,368x = 57,201,447,831.48
  5. Step 5: Solve for x
    x = 57,201,447,831.48/264,368
  6. Step 6: Final answer
    x = 216,370.54

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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.