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Finding the Fourth Proportional to 107,526.79, 148,390.70 and 59,130.70

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Solution

The fourth proportional to 107,526.79, 148,390.70 and 59,130.70 is: 81,602.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,526.79 : 148,390.70 = 59,130.70 : x
  2. Step 2: Convert to fraction form
    107,526.79/148,390.70 = 59,130.70/x
  3. Step 3: Cross multiply
    107,526.79x = 148,390.70 × 59,130.70
  4. Step 4: Simplify right side
    107,526.79x = 8,774,445,964.49
  5. Step 5: Solve for x
    x = 8,774,445,964.49/107,526.79
  6. Step 6: Final answer
    x = 81,602.42

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1.5x scale

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.