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Finding the Fourth Proportional to 65,203,317.80, 97,804,976.70 and 42,528,501.80

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Solution

The fourth proportional to 65,203,317.80, 97,804,976.70 and 42,528,501.80 is: 63,792,752.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,203,317.80 : 97,804,976.70 = 42,528,501.80 : x
  2. Step 2: Convert to fraction form
    65,203,317.80/97,804,976.70 = 42,528,501.80/x
  3. Step 3: Cross multiply
    65,203,317.80x = 97,804,976.70 × 42,528,501.80
  4. Step 4: Simplify right side
    65,203,317.80x = 4,159,499,127,634,908
  5. Step 5: Solve for x
    x = 4,159,499,127,634,908/65,203,317.80
  6. Step 6: Final answer
    x = 63,792,752.70

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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.