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Finding the Fourth Proportional to 85,345.93, 117,798.47 and 51,840.01

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Solution

The fourth proportional to 85,345.93, 117,798.47 and 51,840.01 is: 71,552.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,345.93 : 117,798.47 = 51,840.01 : x
  2. Step 2: Convert to fraction form
    85,345.93/117,798.47 = 51,840.01/x
  3. Step 3: Cross multiply
    85,345.93x = 117,798.47 × 51,840.01
  4. Step 4: Simplify right side
    85,345.93x = 6,106,673,603.58
  5. Step 5: Solve for x
    x = 6,106,673,603.58/85,345.93
  6. Step 6: Final answer
    x = 71,552.02

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1.5x scale

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.