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Finding the Fourth Proportional to 191,475.56, 286,413.35 and 134,545.48

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Solution

The fourth proportional to 191,475.56, 286,413.35 and 134,545.48 is: 201,256.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,475.56 : 286,413.35 = 134,545.48 : x
  2. Step 2: Convert to fraction form
    191,475.56/286,413.35 = 134,545.48/x
  3. Step 3: Cross multiply
    191,475.56x = 286,413.35 × 134,545.48
  4. Step 4: Simplify right side
    191,475.56x = 38,535,619,549.36
  5. Step 5: Solve for x
    x = 38,535,619,549.36/191,475.56
  6. Step 6: Final answer
    x = 201,256.07

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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.