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Finding the Fourth Proportional to 94,810.89, 130,836.53 and 52,368.51

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Solution

The fourth proportional to 94,810.89, 130,836.53 and 52,368.51 is: 72,267.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,810.89 : 130,836.53 = 52,368.51 : x
  2. Step 2: Convert to fraction form
    94,810.89/130,836.53 = 52,368.51/x
  3. Step 3: Cross multiply
    94,810.89x = 130,836.53 × 52,368.51
  4. Step 4: Simplify right side
    94,810.89x = 6,851,714,129.67
  5. Step 5: Solve for x
    x = 6,851,714,129.67/94,810.89
  6. Step 6: Final answer
    x = 72,267.16

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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.