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Finding the Fourth Proportional to 84,279.81, 116,304.93 and 46,038.90

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Solution

The fourth proportional to 84,279.81, 116,304.93 and 46,038.90 is: 63,533.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,279.81 : 116,304.93 = 46,038.90 : x
  2. Step 2: Convert to fraction form
    84,279.81/116,304.93 = 46,038.90/x
  3. Step 3: Cross multiply
    84,279.81x = 116,304.93 × 46,038.90
  4. Step 4: Simplify right side
    84,279.81x = 5,354,551,041.78
  5. Step 5: Solve for x
    x = 5,354,551,041.78/84,279.81
  6. Step 6: Final answer
    x = 63,533.02

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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.