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Finding the Fourth Proportional to 370,747.51, 556,113.51 and 118,045.42

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Solution

The fourth proportional to 370,747.51, 556,113.51 and 118,045.42 is: 177,065.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,747.51 : 556,113.51 = 118,045.42 : x
  2. Step 2: Convert to fraction form
    370,747.51/556,113.51 = 118,045.42/x
  3. Step 3: Cross multiply
    370,747.51x = 556,113.51 × 118,045.42
  4. Step 4: Simplify right side
    370,747.51x = 65,646,651,465.34
  5. Step 5: Solve for x
    x = 65,646,651,465.34/370,747.51
  6. Step 6: Final answer
    x = 177,065.66

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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.