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Finding the Fourth Proportional to 75,417.42, 104,111.42 and 43,580.10

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Solution

The fourth proportional to 75,417.42, 104,111.42 and 43,580.10 is: 60,160.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,417.42 : 104,111.42 = 43,580.10 : x
  2. Step 2: Convert to fraction form
    75,417.42/104,111.42 = 43,580.10/x
  3. Step 3: Cross multiply
    75,417.42x = 104,111.42 × 43,580.10
  4. Step 4: Simplify right side
    75,417.42x = 4,537,185,876.84
  5. Step 5: Solve for x
    x = 4,537,185,876.84/75,417.42
  6. Step 6: Final answer
    x = 60,160.98

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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.