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Finding the Fourth Proportional to 143,030.65, 214,575.48 and 46,975.11

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Solution

The fourth proportional to 143,030.65, 214,575.48 and 46,975.11 is: 70,472.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,030.65 : 214,575.48 = 46,975.11 : x
  2. Step 2: Convert to fraction form
    143,030.65/214,575.48 = 46,975.11/x
  3. Step 3: Cross multiply
    143,030.65x = 214,575.48 × 46,975.11
  4. Step 4: Simplify right side
    143,030.65x = 10,079,705,703.43
  5. Step 5: Solve for x
    x = 10,079,705,703.43/143,030.65
  6. Step 6: Final answer
    x = 70,472.35

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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.