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Finding the Fourth Proportional to 58,502,947.80, 87,754,421.70 and 44,047,752.60

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Solution

The fourth proportional to 58,502,947.80, 87,754,421.70 and 44,047,752.60 is: 66,071,628.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,502,947.80 : 87,754,421.70 = 44,047,752.60 : x
  2. Step 2: Convert to fraction form
    58,502,947.80/87,754,421.70 = 44,047,752.60/x
  3. Step 3: Cross multiply
    58,502,947.80x = 87,754,421.70 × 44,047,752.60
  4. Step 4: Simplify right side
    58,502,947.80x = 3,865,385,056,597,671.50
  5. Step 5: Solve for x
    x = 3,865,385,056,597,671.50/58,502,947.80
  6. Step 6: Final answer
    x = 66,071,628.90

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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.