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Finding the Fourth Proportional to 153,710.79, 230,587.76 and 53,848.12

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Solution

The fourth proportional to 153,710.79, 230,587.76 and 53,848.12 is: 80,779.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,710.79 : 230,587.76 = 53,848.12 : x
  2. Step 2: Convert to fraction form
    153,710.79/230,587.76 = 53,848.12/x
  3. Step 3: Cross multiply
    153,710.79x = 230,587.76 × 53,848.12
  4. Step 4: Simplify right side
    153,710.79x = 12,416,717,371.01
  5. Step 5: Solve for x
    x = 12,416,717,371.01/153,710.79
  6. Step 6: Final answer
    x = 80,779.74

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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.