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Finding the Fourth Proportional to 163,246.64, 244,852.68 and 52,430

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Solution

The fourth proportional to 163,246.64, 244,852.68 and 52,430 is: 78,639.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,246.64 : 244,852.68 = 52,430 : x
  2. Step 2: Convert to fraction form
    163,246.64/244,852.68 = 52,430/x
  3. Step 3: Cross multiply
    163,246.64x = 244,852.68 × 52,430
  4. Step 4: Simplify right side
    163,246.64x = 12,837,626,012.40
  5. Step 5: Solve for x
    x = 12,837,626,012.40/163,246.64
  6. Step 6: Final answer
    x = 78,639.45

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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.