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Finding the Fourth Proportional to 46,872,484.50, 70,023,641.70 and 30,343,111.03

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Solution

The fourth proportional to 46,872,484.50, 70,023,641.70 and 30,343,111.03 is: 45,330,115.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,872,484.50 : 70,023,641.70 = 30,343,111.03 : x
  2. Step 2: Convert to fraction form
    46,872,484.50/70,023,641.70 = 30,343,111.03/x
  3. Step 3: Cross multiply
    46,872,484.50x = 70,023,641.70 × 30,343,111.03
  4. Step 4: Simplify right side
    46,872,484.50x = 2,124,735,135,226,260.75
  5. Step 5: Solve for x
    x = 2,124,735,135,226,260.75/46,872,484.50
  6. Step 6: Final answer
    x = 45,330,115.48

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.