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Finding the Fourth Proportional to 89,554.68, 134,368.34 and 57,569.49

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Solution

The fourth proportional to 89,554.68, 134,368.34 and 57,569.49 is: 86,377.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,554.68 : 134,368.34 = 57,569.49 : x
  2. Step 2: Convert to fraction form
    89,554.68/134,368.34 = 57,569.49/x
  3. Step 3: Cross multiply
    89,554.68x = 134,368.34 × 57,569.49
  4. Step 4: Simplify right side
    89,554.68x = 7,735,516,518.10
  5. Step 5: Solve for x
    x = 7,735,516,518.10/89,554.68
  6. Step 6: Final answer
    x = 86,377.58

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1.5x scale

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.