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Finding the Fourth Proportional to 65,095,687.60, 97,501,813.80 and 39,492,041.20

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Solution

The fourth proportional to 65,095,687.60, 97,501,813.80 and 39,492,041.20 is: 59,152,085.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,095,687.60 : 97,501,813.80 = 39,492,041.20 : x
  2. Step 2: Convert to fraction form
    65,095,687.60/97,501,813.80 = 39,492,041.20/x
  3. Step 3: Cross multiply
    65,095,687.60x = 97,501,813.80 × 39,492,041.20
  4. Step 4: Simplify right side
    65,095,687.60x = 3,850,545,647,664,328.50
  5. Step 5: Solve for x
    x = 3,850,545,647,664,328.50/65,095,687.60
  6. Step 6: Final answer
    x = 59,152,085.02

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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.