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Finding the Fourth Proportional to 34,458,835.80, 51,688,253.70 and 17,240,147.40

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Solution

The fourth proportional to 34,458,835.80, 51,688,253.70 and 17,240,147.40 is: 25,860,221.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,458,835.80 : 51,688,253.70 = 17,240,147.40 : x
  2. Step 2: Convert to fraction form
    34,458,835.80/51,688,253.70 = 17,240,147.40/x
  3. Step 3: Cross multiply
    34,458,835.80x = 51,688,253.70 × 17,240,147.40
  4. Step 4: Simplify right side
    34,458,835.80x = 891,113,112,636,595.38
  5. Step 5: Solve for x
    x = 891,113,112,636,595.38/34,458,835.80
  6. Step 6: Final answer
    x = 25,860,221.10

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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.