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Finding the Fourth Proportional to 65,937,266.80, 91,009,963.80 and 44,779,845.32

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Solution

The fourth proportional to 65,937,266.80, 91,009,963.80 and 44,779,845.32 is: 61,807,416.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,937,266.80 : 91,009,963.80 = 44,779,845.32 : x
  2. Step 2: Convert to fraction form
    65,937,266.80/91,009,963.80 = 44,779,845.32/x
  3. Step 3: Cross multiply
    65,937,266.80x = 91,009,963.80 × 44,779,845.32
  4. Step 4: Simplify right side
    65,937,266.80x = 4,075,412,101,109,045.50
  5. Step 5: Solve for x
    x = 4,075,412,101,109,045.50/65,937,266.80
  6. Step 6: Final answer
    x = 61,807,416.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.