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Finding the Fourth Proportional to 92,099.79, 127,056.39 and 56,283.12

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Solution

The fourth proportional to 92,099.79, 127,056.39 and 56,283.12 is: 77,645.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,099.79 : 127,056.39 = 56,283.12 : x
  2. Step 2: Convert to fraction form
    92,099.79/127,056.39 = 56,283.12/x
  3. Step 3: Cross multiply
    92,099.79x = 127,056.39 × 56,283.12
  4. Step 4: Simplify right side
    92,099.79x = 7,151,130,045.14
  5. Step 5: Solve for x
    x = 7,151,130,045.14/92,099.79
  6. Step 6: Final answer
    x = 77,645.45

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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.