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Finding the Fourth Proportional to 75,386.88, 112,950.72 and 58,740.48

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Solution

The fourth proportional to 75,386.88, 112,950.72 and 58,740.48 is: 88,009.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,386.88 : 112,950.72 = 58,740.48 : x
  2. Step 2: Convert to fraction form
    75,386.88/112,950.72 = 58,740.48/x
  3. Step 3: Cross multiply
    75,386.88x = 112,950.72 × 58,740.48
  4. Step 4: Simplify right side
    75,386.88x = 6,634,779,509.15
  5. Step 5: Solve for x
    x = 6,634,779,509.15/75,386.88
  6. Step 6: Final answer
    x = 88,009.74

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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.