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Finding the Fourth Proportional to 283,417.10, 425,113.35 and 105,925.64

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Solution

The fourth proportional to 283,417.10, 425,113.35 and 105,925.64 is: 158,883.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,417.10 : 425,113.35 = 105,925.64 : x
  2. Step 2: Convert to fraction form
    283,417.10/425,113.35 = 105,925.64/x
  3. Step 3: Cross multiply
    283,417.10x = 425,113.35 × 105,925.64
  4. Step 4: Simplify right side
    283,417.10x = 45,030,403,671.29
  5. Step 5: Solve for x
    x = 45,030,403,671.29/283,417.10
  6. Step 6: Final answer
    x = 158,883.86

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1.5x scale

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.