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Finding the Fourth Proportional to 92,615.64, 127,809.58 and 52,329.48

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Solution

The fourth proportional to 92,615.64, 127,809.58 and 52,329.48 is: 72,214.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,615.64 : 127,809.58 = 52,329.48 : x
  2. Step 2: Convert to fraction form
    92,615.64/127,809.58 = 52,329.48/x
  3. Step 3: Cross multiply
    92,615.64x = 127,809.58 × 52,329.48
  4. Step 4: Simplify right side
    92,615.64x = 6,688,208,860.42
  5. Step 5: Solve for x
    x = 6,688,208,860.42/92,615.64
  6. Step 6: Final answer
    x = 72,214.68

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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.