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Finding the Fourth Proportional to 133,783.95, 200,675.93 and 45,030.03

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Solution

The fourth proportional to 133,783.95, 200,675.93 and 45,030.03 is: 67,545.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,783.95 : 200,675.93 = 45,030.03 : x
  2. Step 2: Convert to fraction form
    133,783.95/200,675.93 = 45,030.03/x
  3. Step 3: Cross multiply
    133,783.95x = 200,675.93 × 45,030.03
  4. Step 4: Simplify right side
    133,783.95x = 9,036,442,423.79
  5. Step 5: Solve for x
    x = 9,036,442,423.79/133,783.95
  6. Step 6: Final answer
    x = 67,545.04

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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.