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Finding the Fourth Proportional to 94,417.80, 130,300.28 and 51,980.28

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Solution

The fourth proportional to 94,417.80, 130,300.28 and 51,980.28 is: 71,734.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,417.80 : 130,300.28 = 51,980.28 : x
  2. Step 2: Convert to fraction form
    94,417.80/130,300.28 = 51,980.28/x
  3. Step 3: Cross multiply
    94,417.80x = 130,300.28 × 51,980.28
  4. Step 4: Simplify right side
    94,417.80x = 6,773,045,038.48
  5. Step 5: Solve for x
    x = 6,773,045,038.48/94,417.80
  6. Step 6: Final answer
    x = 71,734.83

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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.