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Finding the Fourth Proportional to 359,032.84, 538,547.64 and 92,770.72

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Solution

The fourth proportional to 359,032.84, 538,547.64 and 92,770.72 is: 139,155.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,032.84 : 538,547.64 = 92,770.72 : x
  2. Step 2: Convert to fraction form
    359,032.84/538,547.64 = 92,770.72/x
  3. Step 3: Cross multiply
    359,032.84x = 538,547.64 × 92,770.72
  4. Step 4: Simplify right side
    359,032.84x = 49,961,452,317.10
  5. Step 5: Solve for x
    x = 49,961,452,317.10/359,032.84
  6. Step 6: Final answer
    x = 139,155.66

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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.