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Finding the Fourth Proportional to 58,666,985.60, 88,000,478.40 and 46,573,750.40

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Solution

The fourth proportional to 58,666,985.60, 88,000,478.40 and 46,573,750.40 is: 69,860,625.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,666,985.60 : 88,000,478.40 = 46,573,750.40 : x
  2. Step 2: Convert to fraction form
    58,666,985.60/88,000,478.40 = 46,573,750.40/x
  3. Step 3: Cross multiply
    58,666,985.60x = 88,000,478.40 × 46,573,750.40
  4. Step 4: Simplify right side
    58,666,985.60x = 4,098,512,316,082,191.50
  5. Step 5: Solve for x
    x = 4,098,512,316,082,191.50/58,666,985.60
  6. Step 6: Final answer
    x = 69,860,625.60

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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.