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Finding the Fourth Proportional to 82,020.04, 123,030.07 and 46,934.89

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Solution

The fourth proportional to 82,020.04, 123,030.07 and 46,934.89 is: 70,402.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,020.04 : 123,030.07 = 46,934.89 : x
  2. Step 2: Convert to fraction form
    82,020.04/123,030.07 = 46,934.89/x
  3. Step 3: Cross multiply
    82,020.04x = 123,030.07 × 46,934.89
  4. Step 4: Simplify right side
    82,020.04x = 5,774,402,377.23
  5. Step 5: Solve for x
    x = 5,774,402,377.23/82,020.04
  6. Step 6: Final answer
    x = 70,402.34

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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.