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Finding the Fourth Proportional to 245,566.32, 368,349.48 and 162,440.88

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Solution

The fourth proportional to 245,566.32, 368,349.48 and 162,440.88 is: 243,661.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,566.32 : 368,349.48 = 162,440.88 : x
  2. Step 2: Convert to fraction form
    245,566.32/368,349.48 = 162,440.88/x
  3. Step 3: Cross multiply
    245,566.32x = 368,349.48 × 162,440.88
  4. Step 4: Simplify right side
    245,566.32x = 59,835,013,678.74
  5. Step 5: Solve for x
    x = 59,835,013,678.74/245,566.32
  6. Step 6: Final answer
    x = 243,661.32

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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.