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Finding the Fourth Proportional to 58,402,866.20, 87,604,299.30 and 58,402,866.20

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Solution

The fourth proportional to 58,402,866.20, 87,604,299.30 and 58,402,866.20 is: 87,604,299.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,402,866.20 : 87,604,299.30 = 58,402,866.20 : x
  2. Step 2: Convert to fraction form
    58,402,866.20/87,604,299.30 = 58,402,866.20/x
  3. Step 3: Cross multiply
    58,402,866.20x = 87,604,299.30 × 58,402,866.20
  4. Step 4: Simplify right side
    58,402,866.20x = 5,116,342,170,562,654
  5. Step 5: Solve for x
    x = 5,116,342,170,562,654/58,402,866.20
  6. Step 6: Final answer
    x = 87,604,299.30

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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.