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Finding the Fourth Proportional to 130,030.30, 195,045.45 and 73,848.70

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Solution

The fourth proportional to 130,030.30, 195,045.45 and 73,848.70 is: 110,773.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,030.30 : 195,045.45 = 73,848.70 : x
  2. Step 2: Convert to fraction form
    130,030.30/195,045.45 = 73,848.70/x
  3. Step 3: Cross multiply
    130,030.30x = 195,045.45 × 73,848.70
  4. Step 4: Simplify right side
    130,030.30x = 14,403,852,923.42
  5. Step 5: Solve for x
    x = 14,403,852,923.42/130,030.30
  6. Step 6: Final answer
    x = 110,773.05

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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.