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Finding the Fourth Proportional to 84,678.66, 116,866.53 and 46,955.34

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Solution

The fourth proportional to 84,678.66, 116,866.53 and 46,955.34 is: 64,803.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,678.66 : 116,866.53 = 46,955.34 : x
  2. Step 2: Convert to fraction form
    84,678.66/116,866.53 = 46,955.34/x
  3. Step 3: Cross multiply
    84,678.66x = 116,866.53 × 46,955.34
  4. Step 4: Simplify right side
    84,678.66x = 5,487,507,650.77
  5. Step 5: Solve for x
    x = 5,487,507,650.77/84,678.66
  6. Step 6: Final answer
    x = 64,803.90

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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.