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Finding the Fourth Proportional to 74,953,345.20, 112,325,041.80 and 59,626,849.20

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Solution

The fourth proportional to 74,953,345.20, 112,325,041.80 and 59,626,849.20 is: 89,356,763.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,953,345.20 : 112,325,041.80 = 59,626,849.20 : x
  2. Step 2: Convert to fraction form
    74,953,345.20/112,325,041.80 = 59,626,849.20/x
  3. Step 3: Cross multiply
    74,953,345.20x = 112,325,041.80 × 59,626,849.20
  4. Step 4: Simplify right side
    74,953,345.20x = 6,697,588,328,792,297
  5. Step 5: Solve for x
    x = 6,697,588,328,792,297/74,953,345.20
  6. Step 6: Final answer
    x = 89,356,763.34

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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.